ARTICLE · 984554
高中英语|主语从句专项练习题(含答案解析)
一、单项选择（15 道）
______ makes me happy is that all my students make progress.
A. That B. What C. Which D. Whether
2.______ is known to all is that China is developing fast.
A. It B. That C. What D. As
3.It is obvious ______ he has changed a lot.
A. what B. that C. whether D. how
4.______ we can finish the task on time still remains a question.
A. If B. Whether C. That D. What
5.______ happened yesterday surprised everybody present.
A. What B. That C. Which D. How
6.It is reported ______ more young people choose to study abroad.
A. what B. whether C. that D. when
7.______ will take charge of the project hasn’t been decided yet.
A. Who B. That C. What D. Whom
8.It is a pity ______ you missed such a wonderful lecture.
A. whether B. that C. what D. how
9.______ he will accept our invitation is not clear.
A. If B. Whether C. What D. That
10.______ he knows a lot of things surprises us greatly.
A. What B. That C. Which D. How
11.It matters little ______ you come or not.
A. that B. whether C. what D. how
12.______ we should do next is still under discussion.
A. What B. That C. Whether D. How
13.It appears ______ he has understood the whole problem.
A. what B. whether C. that D. if
14.______ we will hold the sports meeting depends on the weather.
A. That B. Whether C. What D. If
15.______ is important is that we should keep confident.
A. It B. That C. What D. Which
二、语法填空（10 道，高考真题风格）
1.________ he will arrive on time is still unknown.
2.________ makes us proud is our motherland’s rapid development.
3.It is obvious ________ reading benefits us a great deal.
4.It is reported ________ many teenagers take part in volunteer activities.
5.________ we can solve the problem well matters a lot.
6.________ he said at the meeting impressed all the listeners.
7.It is a fact ________ hard work leads to success.
8.________ will be chosen as the monitor hasn’t been announced.
9.It is unknown ________ the meeting will start.
10.________ you have learned should be put into practice.
三、单句改错（5 道，短文改错题型）
1.That he did is worth praising.
2.If he will join us is still unknown.
3.It is obvious what he is good at English.
4.He passed the exam is true.
5.It is said whether the old park will be rebuilt.
【参考答案与解析】
一、单项选择
1.B 解析：从句缺少宾语，what 在从句充当宾语。
2.C 解析：what 引导主语从句，在从句中作主语。
3.B 解析：it 作形式主语，从句完整，用 that。
4.B 解析：句首主语从句表达是否，只用 whether。
5.A 解析：从句缺少主语，what 指代发生的事情。
6.C 解析：It is reported that… 固定句型。
7.A 解析：who 在主语从句中作主语，表示 “谁”。
8.B 解析：It is a pity that… 固定句型。
9.B 解析：句首主语从句表是否用 whether。
10.B 解析：从句成分完整，that 只起连接作用。
11.B 解析：whether…or not 是否。
12.A 解析：do 后面缺少宾语，选 what。
13.C 解析：It appears that… 固定句型。
14.B 解析：whether 引导主语从句，表示 “是否”。
15.C 解析：what 引导主语从句，在从句作主语。
答案汇总：1‑5 BC BBA；6‑10 CABBB；11‑15 BACBC
二、语法填空
Whether
What
that
that
Whether
What
that
Who
when
What
三、单句改错
That→What；从句缺少宾语。
If→Whether；句首主语从句不用 if。
what→that；从句语义完整，用 that。
在句首加 That；主语从句 that 不可省略。
whether→that；It is said that 据说。
刷题总结
做题第一步区分：从句内部是否缺少主、宾、表；缺成分优先 what/who；句子完整优先 that/whether。
句首表达是否，牢牢记住只用 whether。
it 形式主语句型，写作可以直接套用，提升作文档次。