Unit 3 Smart Learning 语法专项过关（精练）2026-2027学年九年级英语上册单元核心知识精讲精练（新教材人教版）

人教版初中英语语法专项过关

（九年级上册-Unit 3 Smart Learning）

一、单项选择

1．—Do you know ________ we will have a school trip tomorrow or not？

—It depends on the weather.

A．if B．that C．how D．whether

2．Our teacher told us ________.

A．if light travels faster than sound.

B．that light travels faster than sound.

C．that light traveled faster than sound.

3．—I wonder ________ I can join the school basketball team. I really want to train with them.

—Of course! Just go and talk to the P.E. teacher.

A．that B．which C．why D．whether

4．— Jeff, could you tell me if it ________ during the coming National Day? If it ________ then, I’ll stay at home.

— It’s reported that it will be sunny. Let’s go camping in Qin Lake.

A．rain; rain B．rains; rain C．will rain; rains D．will rain; will rain

5．—It seems that you are worried.

—I am wondering ________ I can see my favorite singer.

A．when B．that C．whether D．where

6．I want to know ________ you have finished your review.

A．that B．if C．what D．how

7．He wonders ________ he will pass the exam or not.

A．if B．whether C．that D．when

8．I doubt ________ he can finish the task on time.

A．that B．whether C．what D．how

9．I believe ________ reading can improve our English a lot.

A．that B．if C．whether D．what

10．He asked me ________ I preferred to study alone or with classmates.

A．that B．whether C．what

11．She wondered ________ he would come on time.

A．that B．if C．what D．which

12．He thinks ________ maths is very interesting.

A．that B．if C．whether D．what

13．I believe ________ hard work leads to success.

A．that B．if C．what D．which

14．My teacher told me ________ I should practise more.

A．that B．if C．whether D．which

15．—I wondered ________ Lucy would come to our party tonight.

—She sent me a message just now—she said she would be here on time.

A．when B．if C．what D．where

16．I’m feeling so blue. I really wonder ________.

A．who can I ask for help B．how I dealt with these problems

C．if I am the only one to feel this way D．that I can do with these problems

17．—Will you buy this tie?

—I have no idea. I don’t know ________ the color matches his new shirt or not.

A．whether B．that C．why D．if

18．—What did our teacher say just now?

—He asked ________.

A．if we need help or not B．whether we had any questions

C．which questions we can’t understand D．that we could finish homework on time

19．—What’s wrong with the dog?

—We’re sure ________ something is wrong with it, but we doubt ________ the disease can kill it.

A．if; whether B．that; that C．whether; if D．that; whether

20．—I never doubt ________ she can do it well.

—Neither do I. I just doubt ________ she is willing to do this.

A．whether: that B．that: if C．if: whether D．that: that

21．— That old man looks weak these days.

— Yes. We’re sure ________ something is wrong with him and we doubt ________ the disease can be cured.

A．/; whether B．that; that C．whether; if D．if; whether

22．—People seldom doubt (怀疑) ________ green can give us energy.

—I agree. But nobody is sure ________ it is the most suitable for him.

A．whether, if B．that, whether C．that, that D．if, that

23．—Do you believe ________ house prices will drop in the following month?

—It’s hard to say. The public are still not sure ________ the government has made up its mind to do so.

A．if; that B．whether; if C．that; that D．that; whether

24．I don’t doubt ________ he can do the job well,  but I doubt ________ he can fi nish it on time.

A．if; that B．that; whether C．whether; if D．that; that

25．—What’s wrong with your uncle?

—We’re sure ________ something is wrong with him, but we doubt ________ the disease can kill him.

A．if; whether B．that; that C．whether; if D．that; whether

26．—What’s wrong with your uncle?

—We are sure ________ something is wrong with him, but we doubt ________ the disease will kill him.

A．if, whether B．that, that C．whether, if D．that, whether

27．—Would you like to go climbing tomorrow?

—I'd like to, but I am not sure   I will finish my work by then or not.

A．if B．whether C．that D．which

28．Jim believes ________ students should spend more time studying.

A．whether B．that C．if D．what

29．Whatever happens, we Chinese never doubt _____our China dream will come true some day.

A．if B．that C．which D．whether

30．I wonder  I can borrow your bike or not.