Unit 3　Make it happen!单元高频易错专项训练2026-2027学年外研版英语八年级上册

2026外研版 · 八年级上册 Unit 3　Make it happen! 单元高频易错专项训练（含参考答案与解析） 适用：八年级（上）　|　题型：动词填空 / 单项选择 / 语篇填空 / 改错　|　建议用时：30 分钟 使用说明：本卷聚焦本单元 6 个最高频易错点，每个易错点含【提升巩固题】×3（▷）与【拓展探究题】×3（★）。请先独立完成，再对照末页解析订正。符号：◇ 基础　▷ 提升　★ 拓展。 易错点一：动词不定式(to do) 与 动名词(-ing) 作宾语混淆 【易错点提醒】 ① 记错动词搭配：want / decide / hope / plan / try / wish + to do；enjoy / keep / finish / practise + doing。 ② 受中文“想做某事”影响，误写 want doing / enjoy to do。 ③ suggest / mind / avoid 后接 doing，易误接 to do。 例：误 I want inventing a robot.　√ I want to invent a robot.　|　误 He enjoys to fix problems.　√ He enjoys fixing problems. 提升巩固题（用所给动词的适当形式填空） ▷（　　）1. Easton decided ____________ (post) his design online for free. ▷（　　）2. Lily enjoys ____________ (fix) small machines in her free time. ▷（　　）3. They plan ____________ (create) a smart device for the old people in Jinan. 拓展探究题（语篇填空：阅读短文，用所给动词的适当形式填空） Olivia is a 14-year-old student in Wuhan. She is curious about how things work, so she keeps ____________ (try) new ideas. Last month, she decided ____________ (design) a smart stick for blind students at her school. She enjoys ____________ (help) others. Now she hopes ____________ (win) an award at the science fair. 易错点二：cost / spend / take / pay 花费四词辨析 【易错点提醒】 ① cost 主语是“物”，宾语是金钱/时间，结构：sth. cost(s) (sb.) + 钱/时间。 ② spend 主语是“人”，结构：sb. spend(s) time/money (in) doing / on sth. ③ take 常用 It takes (sb.) time to do sth.；pay 主语是人，与 for 连用：pay money for sth. 例：误 The arm costed 80,000 dollars.　√ The arm cost 80,000 dollars.（cost 三式为同形） 提升巩固题（单项选择） ▷（　　）1. Jenny’s artificial arm ________ 80,000 dollars, and what’s worse, it was too heavy. A. cost B. spent C. took D. paid ▷（　　）2. Easton ________ only 300 dollars building his first robotic arm out of plastic blocks. A. cost B. spent C. took D. paid ▷（　　）3. It ________ Easton nearly nine years to improve the arm and finally hit on success. A. cost B. spent C. took D. paid 拓展探究题（语篇选择：阅读短文，从每题所给 A/B/C/D 中选最佳答案） Chen Wei is a young inventor in Xiamen. He made a smart cup for his grandfather. The materials ____________ him about 120 yuan. He ____________ two weeks designing and testing it. He didn’t ____________ any worker to help him. Now his grandfather ____________ a lot of time using it every day. ★（　　）1. （语篇）The materials ____________ him about 120 yuan. A. cost B. spent C. took D. paid ★（　　）2. （语篇）He ____________ two weeks designing and testing it. A. cost B. spent C. took D. paid ★（　　）3. （语篇）Now his grandfather ____________ a lot of time using it every day. A. cost B. spends C. takes D. paid 易错点三：so…that… 结果状语从句 与 too…to… 转换 【易错点提醒】 ① so…that… 结构：so + adj./adv. + that 从句（that 常可省）。 ② too…to… = so…that…(否定)：The arm was too heavy for a child (to use). = …so heavy that a child couldn’t use it. ③ 易漏 that 或把 too…to 误写成 too…that。 例：误 Wan Hu was so curious about space to invent a flying chair.　√ …so curious about space that he invented a flying chair. 提升巩固题（句型转换：每空一词） ▷（　　）1. The arm was too heavy for a child.（改为同义句） → The arm was ____________ heavy ____________ a child ____________ use it. ▷（　　）2. Wan Hu was so curious about space that he invented a “flying chair”.（改为 too…to… 同义句） → Wan Hu was ____________ curious about space ____________ invent a “flying chair”. ▷（　　）3. Easton was so excited that he couldn’t sleep that night.（合并为 too…to…） → Easton was ____________ excited ____________ sleep that night. 拓展探究题（语篇填空：阅读，用 so…that 或 too…to 完成句子） Zhang Hao is a student in Kunming. He was ____________ interested in science ____________ he read books every day. One day he made a small model plane. It flew ____________ high ____________ we could hardly see it. But the wind was ____________ strong ____________ the plane to land safely, so Zhang Hao decided to improve it. 易错点四：What / How 感叹句混淆 【易错点提醒】 ① What + (a/an) + adj. + 名词 (+ 主 + 谓)！　What a helpful hand (it is)! ② How + adj./adv. (+ 主 + 谓)！　How creative Easton is! ③ 中心词是名词用 What；中心词是形容词/副词用 How。不可数名词前不加 a/an。 例：误 How a helpful invention!　√ What a helpful invention!　|　误 What creative the idea is!　√ How creative the idea is! 提升巩固题（单项选择） ▷（　　）1. ____________ a helping hand Easton lent to the children without arms! A. How B. What C. What a D. How a ▷（　　）2. ____________ creative the young inventor’s idea is! A. How B. What C. What a D. How a ▷（　　）3. ____________ useful advice the teacher gave us on the science project! A. How B. What C. What an D. What a 拓展探究题（改错：下列各句均有一处感叹句错误，请改正） ★（　　）1. How a surprising story it is! ★（　　）2. What careful Bella is when she does experiments! ★（　　）3. How important an invention it is to change people’s lives! 易错点五：everyday（形容词）与 every day（副词短语）混淆 【易错点提醒】 ① everyday 是形容词，意为“日常的”，作定语修饰名词：everyday problem / everyday life。 ② every day 是副词短语，意为“每天”，在句中作时间状语。 ③ 不可因 everyday 中间有空格拆分而误用；也不可在名词前用 every day。 例：误 We face many every day problems.　√ We face many everyday problems. 例：误 He practises inventing everyday.　√ He practises inventing every day. 提升巩固题（用 everyday / every day 填空） ▷（　　）1. Making inventions can help solve many ____________ problems in our life. ▷（　　）2. Easton kept working on his arm and practised fixing problems ____________. ▷（　　）3. Lily uses her smart cup ____________ because it is so convenient. 拓展探究题（改错：下列各句均有一处 everyday / every day 误用，请改正） ★（　　）1. We should learn from great inventors every day life. ★（　　）2. It is an everyday habit to read for half an hour every day. （判断并改正：若正确请写 Correct） ★（　　）3. Zhang Heng spent years studying the sky and the earth in everyday. 易错点六：lend / borrow / keep 借词辨析 及 lend a hand 短语 【易错点提醒】 ① lend “借出”，lend sth. to sb.；borrow “借入”，borrow sth. from sb.；keep 表“借用”的持续时间。 ② lend a hand (to sb.) = help，意为“伸出援手/帮忙”，是单元核心短语。 ③ 对 how long 提问的“借”用 keep，不用 borrow / lend（二者表瞬间动作）。 例：误 How long can I borrow this book?　√ How long can I keep this book? 例：误 Easton decided to lend a hand for the children.　√ Easton decided to lend a hand to the children. 提升巩固题（单项选择） ▷（　　）1. Easton said to himself, “I must ____________ a hand to people like Jenny.” A. lend B. borrow C. keep D. give ▷（　　）2. — How long can you ____________ the 3-D printer from the school lab? — For three days. A. lend B. borrow C. keep D. take ▷（　　）3. Zhou Kai is kind and often ____________ his notes to his classmates before exams. A. lends B. borrows C. keeps D. gives 拓展探究题（语篇填空：阅读，从 lend / borrow / keep 中选词并用其适当形式填空） Last week, Bella wanted to make a model robot, so she ____________ (1) some tools from the school makerspace. The teacher said she could ____________ (2) them for three days. Bella is always ready to ____________ (3) a hand to her friends. She hopes her robot will help solve an everyday problem at home. 参考答案与解析 易错点一　动词不定式与动名词作宾语 【提升巩固题】 1. to post　[正确答案] decide to do sth. 决定做某事，后接不定式。 2. fixing　[正确答案] enjoy doing sth. 喜欢做某事，后接动名词。 3. to create　[正确答案] plan to do sth. 计划做某事，后接不定式。 【拓展探究题】（语篇） 4. trying　[正确答案] keep doing sth. 持续做某事，后接动名词。 5. to design　[正确答案] decide to do sth.，后接不定式。 6. helping　[正确答案] enjoy doing sth.，后接动名词。 7. to win　[正确答案] hope to do sth. 希望做某事，后接不定式。 易错点二　cost / spend / take / pay 辨析 【提升巩固题】 1. A　[正确答案] cost。主语是物(the arm)，表示“花费(某人)钱”，用 cost；cost 三式同形，过去式仍为 cost。 2. B　[正确答案] spent。主语是人(Easton)，结构 spend + 钱 + (in) doing sth.。 3. C　[正确答案] took。固定句型 It takes/took (sb.) time to do sth.。 【拓展探究题】（语篇） 1. A　[正确答案] cost。主语是物(materials)，宾语是钱，用 cost。 2. B　[正确答案] spent。主语是人(He)，spend + 时间 + doing sth.。 3. B　[正确答案] spends。主语是祖父(人)，every day 提示一般现在时，用 spends。 易错点三　so…that… 与 too…to… 转换 【提升巩固题】 1. so; that; couldn’t　[正确答案] so heavy that a child couldn’t use it。too…to… 转为 so…that… 否定句。 2. too; to　[正确答案] too curious about space to invent…。so…that… 肯定转 too…to… 需句意一致。 3. too; to　[正确答案] too excited to sleep。so…that…(否定) 转为 too…to…。 【拓展探究题】（语篇） 1. so; that　[正确答案] so interested…that… 引导结果状语从句。 2. so; that　[正确答案] so high that…（flew so high that…）。 3. too; for　[正确答案] too strong for the plane to land…，too…for…to… 结构。 易错点四　What / How 感叹句 【提升巩固题】 1. C　[正确答案] What a。中心词是可数名词单数 a helping hand，用 What + a + adj. + 名词。 2. A　[正确答案] How。中心词是形容词 creative，用 How + adj. + 主 + 谓。 3. B　[正确答案] What。advice 是不可数名词，用 What + adj. + 不可数名词，不加 a/an。 【拓展探究题】（改错） 1. 把 How a 改为 What a。　[正确答案] What a surprising story it is!（中心词为名词 story，用 What）。 2. 把 What 改为 How。　[正确答案] How careful Bella is when she does experiments!（careful 为形容词，用 How）。 3. Correct。　[正确答案] How important an invention it is… 结构正确（How + adj. + a/an + 名词 为感叹句变体）。 易错点五　everyday 与 every day 【提升巩固题】 1. everyday　[正确答案] 修饰名词 problems，作定语，用形容词 everyday（日常的）。 2. every day　[正确答案] 作时间状语“每天”，用副词短语 every day。 3. every day　[正确答案] 句末作时间状语，用 every day。 【拓展探究题】（改错） 1. 把 every day life 改为 everyday life。　[正确答案] everyday 作定语修饰 life。 2. Correct。　[正确答案] everyday 修饰 habit，every day 作状语，两句法功能不同，本句正确。 3. 把 in everyday 改为 every day。　[正确答案] 此处表示“每天”，作时间状语，用 every day。 易错点六　lend / borrow / keep 与 lend a hand 【提升巩固题】 1. A　[正确答案] lend。lend a hand to sb. 伸出援手/帮助某人，为单元核心短语。 2. C　[正确答案] keep。How long 问持续时间，borrow/lend 为瞬间动作，应用 keep。 3. A　[正确答案] lends。lend sth. to sb. 借出；主语 Zhou Kai 为第三人称单数，用 lends。 【拓展探究题】（语篇） 1. borrowed　[正确答案] borrow…from… 从……借入。 2. keep　[正确答案] for three days 表持续，用 keep。 3. lend　[正确答案] lend a hand to sb. 帮助/伸出援手。 — 全卷完 — 学科网（北京）股份有限公司 $