5. To understand the grammar of the sentence, you must break it 　　　　into parts.

A. down　　 B. up　　 C. off　　 D. out

4. Not until all the fish died in the river　　　 　how serious the pollution was.

A. did the villagers realize　　 B. the villagers realized

C. the villagers did realize　　 D. didn’t the villagers realize

3. -Why? Where is the key to the meeting room?

-Dear me! I　　　 it in the taxi.

A. should have left　 B. must have left

C. need have left　　 D. can have left

2. When I was first in hospital, I was terribly frightened at the atmosphere, but I soon　　　 　it.

A. got off　　　　　　 B. got across

C. got away　　　　　 D. got over

从A、B、C和D四个选项中，选出可以填入空白处的最佳选项。

1. Fully 　　　　looking after three children at home, she no longer has time to enjoy the various activities in the club.

A. attached to　　　　 B. occupied

C. contributed　　　　 D. devoted

6. It was only after many legal battles that he agreed to　　 　　the farm.

5. He thanked the nurses who had him while he was sick.

4. I gave her a hand 　　　　her clothes and stuff.

3. At each stop national and local campaigners will 　　　　about problems facing walkers.