1 . 直到他母亲回来，这个孩子才上床睡觉。（强调句）
It was ____________________________________ the child went to bed.

2 . 单句语法填空
1. It could be anything—gardening，cooking，music，sports—but whatever it is，________ (make)sure it’s a relief from daily stress rather than another thing to worry about.
2. Not until recently________they encourage the development of tourist－related activities in the rural areas.
3. You are waiting at a wrong place.It is at the hotel________the coach picks up tourists.
4. Only when Lily walked into the office________she realize that she had left the contract at home.
5. Only after talking to two students________I discover that having strong motivation is one of the biggest factors in reaching goals.
6. It was when we were returning home________I realized what a good feeling it was to have helped someone in trouble.
7. Bach died in 1750，but it was not until the early 19th century________his musical gift was fully recognized.
8. Always________(keep)in mind that your main task is to get this company running smoothly.
9. If ________(accept)for the job，you’ll be informed soon.
10. Video games can be a poor influence if________ (leave)in the wrong hands.
11. Only when you can find peace in your heart ________you keep good relationships with others.
12. No sooner________Mo Yan stepped on the stage than the audience broke into thunderous applause.
13. It was the culture，rather than the language，________made it hard for him to adapt to the new environment abroad.
14. It’s not doing the things we like，but liking the things we have to do________makes life happy.
15. The climate here is quite pleasant，the temperature rarely，________ever，reaching 30℃ in summer.
16. —I spent two weeks in London last summer.
—Then you must have visited the British Museum during your stay，________ you?
17. ________(observe)carefully if any change occurs when doing experiments in the lab.
18. It was only after he had read the papers________Mr.Gross realized the task before him was extremely difficult to complete.
19. It was not until near the end of the letter________she mentioned her own plan.
20. Only when he apologizes for his rudeness ________I speak to him again.
21. Not until he went through real hardship________he realize the love we have for our families is important.
22. Not once________it occur to Michael that he could one day become a top student in his class.
23. Every day________(read)a proverb aloud several times until you have it memorized.
24. If ________(ask)to look after luggage for someone else，inform the police at once.
25. Never before________ she seen anybody who can play tennis as well as Robert.
26. The headmaster will not permit the change in the course，nor________he even give it a thought.
27. Only after Mary read her composition the second time________ she notice the spelling mistake.
28. Not until he retired from teaching three years ago________ he consider having a holiday abroad.
29. This is not my story，nor________it the whole story.My story plays out differently.
30. It was 80 years before Christopher Columbus crossed the Atlantic________Zheng He had sailed to East Africa.
31. It was not until I came here________I realized this place was famous for not only its beauty but also its weather.
32. —Was it by cutting down staff________she saved the firm?
—No，it was by improving work efficiency.
33. Before you quit your job，________ (consider)how your family would feel about your decision.
34. Film has a much shorter history，especially when________ (compare)to such art forms as music and painting.
35. There is little doubt in your mind that he is innocent，________there?
36. Was it in 1969________the American astronaut succeeded in landing on the moon?
37. My daughter would like to have her photos taken where________(lie)a lake.
38. ________ it rain tomorrow，we would have to cancel the football match.
39. Absurd________ it might sound，everyone present was amused by his adventure story in Africa.
40. John has not yet passed the driving test，and neither________Henry.
41. —I was late for the lecture last night.
—________come? You started early last night.
42. On the top of the hill________(stand)a temple where the old man once lived.
43. The little boy came riding full speed down the motorway on his bicycle.________dangerous a scene it was !
44. Not only________Hunan TV’s reality show Dad，Where Are We Going received high praise，but also it has made the stars and their lovely kids more popular.
45. One of my favorite sayings is，“________(laugh)and the world laughs with you.”
46. As far as I can see，________is no possibility that he will win the tennis match this time.
47. Freddy gave him a job and housing and lent him pocket money while________(train)him.
48. For a moment nothing happened；then________(come)cheers from the excited audience.
49. ________is it that he is not so friendly as he used to be7
50. —I like this dress better than that one.
—________do I．but it costs almost twice as much.

3 . It was when the private company successfully launched astronauts into space__________I knew it would open up more opportunities in the space industry.

A．which

B．how

C．where

D．that

4 . 我不想推卸责任，但正是他的失误造成了这么大的损失。
I hate to put the blame on others, but   ___________   was his fault   ___________ caused such a great loss.

6 . ____that they found the long lost sword of the Ming Dynasty .(be)
就是在这个湖里，他们发现了失踪已久的明代宝剑。

7 . It was from only a few supplies that she had brought in the village ____ the hostess cooked such a nice dinner.

A．where

B．when

C．that

D．which

8 . It wasn't until nearly a month later________I received the manager's reply.（用适当的词填空）

9 . 到底是什么让你对考试结果抱有如此乐观的态度？(it)

10 . It is only when you can break free from the past ______ a whole new world can open up to you.

A．that

B．which

C．where

D．when