内容正文:
专项训练
语法专训
情态动词can, must 与have to 的用法
单项填空
( ) 1. What an amazing robot! It ________ cook more than 5, 000 dishes.
A. shall B. need C. must D. can
【点拨】考查can。can 意为“能; 会”。这里指机器人会做5000 多种菜。
D
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( ) 2. [2023 云南] —Excuse me, may I use my phone now?
—Sorry, you ______. The plane is taking off (起飞) .
A. need B. needn’t
C. can D. can’t
【点拨】考查情态动词。need 需要; needn’t 没必要; can 可以; can’t 不能。根据“The plane is taking off”可知此处是作否定回答。can’t“不能” 符合语境。故选D。
D
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( ) 3. [2023 郴州改编] —_______ people wear helmets (头盔) when riding electric bicycles(电动车) ?
—Yes. It’s a new rule.
A. Can B. Must
C. May D. Could
【点拨】考查情态动词的用法。句意: ——当人们骑电动车的时候必须戴头盔吗? ——是的。它是一条新规定。can 意为“可以, 会; 可能”; must 意为“必须, 一定”; may 意为“可以, 可能”; could 能, 可以。这里表示“必须; 一定要”, 故用must。故选B。
B
( ) 4. —________ we come to the party tomorrow?
—No, you needn’t.
A. Must B. Can
C. Do D. Are
【点拨】考查must 的用法。must 意为“必须”, 回答must 引导的问句, 否定回答用needn’t。由答语可知A 项正确。
A
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( ) 5. [2023 芜湖无为市期末] —Jenny, what rules do you have at home?
—I _______ wash hands before eating and I _______ eat junk food.
A. have to; can B. must; should
C. have to; can’t D. should; have to
【点拨】must 强调主观情况; have to 强调客观情况。have to 有人称和时态的变化。由语境可知, “我” 不可以吃垃圾食品, 用can’t, 故选C。
C
时间的表达及提问与频度副词
一、单项填空
( ) 1. —What time did you get there? —________
A. On Sunday. B. In the evening.
C. At five o’clock. D. After school.
【点拨】考查what time 的用法。what time “什么时候”, 询问具体的几点钟。句意: ——你什么时候到那里的? ——在五点钟。根据题意可知, 只有C 符合题意, 故选C。
C
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( ) 2. [2023 天长实验中学期末] Bob is very fat because he ________ exercises.
A. always B. never
C. usually D. sometimes
【点拨】考查副词辨析。always 总是; never 从不; usually 通常; sometimes 有时候。根据语境可知他从来不锻炼所以很胖。never 符合语境, 故选B。
B
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( ) 3. I sometimes play volleyball for ______ after school.
A. one thirty B. half past one
C. one and a half D. an hour and a half
【点拨】句意: 有时我在放学后打一个半小时排球。one thirty 一点半; half past one 一点半; one and a half 一个半; an hour and a half 一个半小时。介词for 接时间段, 故选D。
D
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