It seems （happened / appears / doesn’t matter / makes no difference / occurred …）that …如：
It seems that they will win the game.
It makes no difference whether he will attend the meeting or not.
It does not matter if I missed my train.
It happened that I saw him yesterday.
一．找出下列句子中的主语从句及其引导词，并且指出引导词是否充当成分，充当什么成分。
1. That we shall be late is certain.
2. That the driver could not control his car was obvious.
3. It is certain that we shall be late.
4. It was obvious that the driver could not control his car.
5. Is it possible that they will come tomorrow？
6. It is clear that he was telling the truth.
7. It’s probable that we’ll be a little late.
8. What caused the accident is a complete mystery.
9. It worried her a bit that her hair was turning grey.
10. It shocked me that Peter didn’t tell anybody where he was.
11. Who was responsible for the accident is not yet clear.
12. It’s a pity that you can’t go with us.
13. What he did is not yet known.
14. It is said that he has been there many times.
15. It is not yet clear who was responsible for the accident.
三．用适当的引导词填空。
1. It is likely _____ he is the winner of this game.
很可能他是这场游戏的胜利者。
2. ______ she bought so many dictionaries is not clear.
= It is not clear _____ she bought so many dictionaries.
不清楚她为什么买这么多字典。
3. ________ he was admitted into Beijing University made his teachers and parents happy.
他考上了北大，这让他的老师和父母很高兴。
4. It’s a pity________ you can’t attend my birthday party.
很可惜你不能参加我的生日聚会。
5. _________ we will build a new high school hasn’t been decided.
我们是否要建新高中还没决定呢。
6. __________ breaks the law should be punished.
不管谁违法都应该受到惩罚。
三．选择题。
1. _____ as much as one-fifth of all timber harvested is not used.
A. The estimate估计 B. The estimated
C. They are estimated D. It is estimated that
2. _____ some mammals came to live in the sea is not known.
A. Which B. Since C. Although D. How
3. _____ we have achieved is attributed to the guidance of our parents.
A. Whoever B. Whatever C. However D. That
4. _____ wealthy does not necessarily mean that a man is greedy.
A. For the reason that he is B. Just because he is
C. The reason of being D. That he is
5. Although ___ happened in this developed country sounds like science fiction, it could occur
elsewhere 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 worse was that it was getting dark.
A. that B. which C. it D. what
9. _____ or not is still uncertain.
A. He’s coming B. If he is coming
C. That coming D. Whether he’s coming
10. It’s _____ he’ll be able to come.
A. doubt whether B. doubtful C. doubt it D. doubtful whether
11. ______ he is at work in the heart of the big city or at home in the quiet ’s life is tied to machines.
A. Whether B. Till C. If D. Unless
12. _____ he saw both surprised and frightened him.
A. That B. When C. What D. Which
13. _____ is warm sunshine.
A. What do we all need. B. What all we need
C. What we need D. What we all need
suburb, Dick
