3. Their sudden attack made us more aware of the danger around us.

4. Trial (尝试) and error is the source of our knowledge.

5. I do all the work and he gets all the glory (荣誉).

6. Soldiers were marching up and down outside the government buildings.

7. Large sections of the river have been poisoned by toxic waste from factories.

8. A state of emergency has been declared in the area due to the earthquake.

9. Many leaders were invited to attend the opening ceremony of the Olympic Games in London.

二、单项选择

1. People built a monument ______ those who died for the country.

A. in praise of B. in need of C. in hope of D. in memory of

2. Many Chinese universities provided scholarship for students ______ financial aid.

A. in favour of B. in memory of C. in face of D. in need of

3. -Was he present at the meeting?

-He ______ not have attended it for he was busy repairing his computer all the time.

A. can B. might C. should D. must

4. -She looks very happy. She ______ have passed the exam.

-I guess so. It's not difficult after all.

A. should B. could C. must D. might

5. -Why didn't you attend the meeting yesterday?

-I am so sorry. I ______ a bad cold and was unable to go to work.

A. put up with B. ran away with C. came down with D. caught up with

6. -Terra, why do you look so angry?

- ______. You know, my next-door neighbour always holds parties till midnight.

A. It's none of your business B. I've had enough

C. That's very kind of you D. You are quite right

7. Some people believe TV programmes are just ______ people's minds while others think otherwise. They argue that TV programmes enrich their knowledge.

A. corrupting B. attracting C. educating D. interrupting

8. -I don't think Jim should have done that. In fact, he caused some trouble.

- Great minds think alike. But ______ he was just trying to help.

A. no wonder B. no way C. no doubt D. no longer

9. Not only food and water but also some necessary equipment ______ sent to this area since it was hit by floods.

A. is being B. are being C. has been D. have been

10. They still need solid facts ______.

A. on which to be based their theory B. to base their theory

C. on which to base their theory D. to be based on their theory