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主语从句练习
单项选择题
1. _____ as much as one-fifth of all timber harvested is not ud.
A. The estimate B. The estimate
C. They are estimated D. It is estimated that
2. _____ was once regarded as impossible has now become a reality.
A. That B. Which C. Who D. What
3. _____ we have achieved is attributed to the guidance of our parents.
A. Whoever B. Whatever C. However D. That
4. _____ you say now can’t make up for what you’ve done.
A. No matter B. Whatever C. However D. That
5. Although _____ happened in this developed country sounds like science fiction, it
could occur elwhere in the world.
A. which B. what C. how D. it
6. _____ she had forgotten to take her notebook.
A. That occurred to her B. She occurred that
C. To her that occurred D. It occurred to her that
7. I am sure that _____ she said is wrong.
A. which B. all C. this D. what
8. We lost our way in the forest, and _____ made matters wor was that it was
getting dark.
A. that B. which C. it D. what
9. _____ occurred to him that he had forgotten to lock the door when he left home.
A. This B. It C. That D. The
10. _____ or not is still uncertain.
A. He’s coming B. If he is coming
C. That coming D. Whether he’s coming
11. It’s _____ he’ll be able to come.
A. doubt whether B. doubtful C. doubt it D. doubtful whether
12. It is _____ that the bridge has existed for more than three centuries .
A. appeared B. rin C. said D. born
13. _____ he saw both surprid and frightened him.
A. That B. When C. What D. Which
14. _____ is a spell of warm sunshine.
A. What do we all need. B. What all we need
C. What we need D. What we all need
15. _____ is a pity that he should feel so upt.
A. What B. That C. He D. It
16. _____ a spoonful of soil can tell us so much about the structure and
early history of the moon.
A. Remarkable B. Quite remarkably
C. It is remarkable that D. It is remarkable
17. _____ you nominate will be elected.
A. Who B. Which C. Whomever D. That’s
18. _____ book you borrow must be returned within a week.
A. What B. Which C. Whichever D. That’s
19. _____ is troubling me is that I don’t have much experience in international commerce.
A. It B. That C. Which D. What
20. _____they wil go there to try another experiment has not been decided yet.
A. Whether B. If C. About whether D. Why
根据提示，完成句子。
1.__________________________________ hasn’t been decided yet.(pick)
谁将去接他还没有确定。
2.__________________________________ remains unknown.(finish)
我们是否能按时完成工作还不知道
3._____________________________________ is none of my business.(like)
你喜不喜欢他都与我无关。
4._________________________________________ is being discusd.(abroad)
他将何时出国正在讨论之中。
5.____________________________ in learning English is enough practice.(matter)
英语学习中最重要的是足够的练习。
6.It worried her a bit ______________________________________________.(turn)
她的头发正在变白让她有些担忧。
7.After Yang Liwei succeeded in circling the earth, ___________________________ our astronauts walk in space. (desire)
杨利伟成功地环绕地球后，我们希望的是宇航员在太空漫步。
8. ________________________________________ should be punished.(break)
