5. —Peter, you look so tired.

—Well, I didn’t go to bed ________ it was 12 o’clock last night.

A. unless　　　　　　 B. because　　　　　　　　 C. after　　　　　　　　 D. until

4. As children grow up, parents should help them form some good habits ________.

A. hand by hand　　　　　　　　　 B. arm in arm

C. one by one　　　　　　　　　　　 D. step by step

3. Jenny hasn’t decided ________ to be in the future.

A. how　　　　　　　　　　　 B. what　　　　　　　　 C. when　　　　　　　 D. who

2. He couldn’t leave his son ________.

A. alone　　　　　　　　　　　　　　　　 B. lonely

C. lone　　　　　　　　　　　　　　　　　　　 D. for himself

Ⅲ. 单项选择

1. Don’t make ________ for your mistake. It’s no use for the matter.

A. sayings　　　　　　　　　　　　　　　　　 B. some excuse

C. an excuse　　　　　　　　　　　　 D. excuse

5. Parents always expect their children ________（do）better than they did.

4. If you want to be a basketball player, you should　 practice ________（play）basketball every day.

3. I think it’s not easy for a Chinese to speak English as ________（good） as a native English speaker.

2. If the population growing so fast, there will be no room ________（live）in.

Ⅱ. 用所给词的适当形式填空

1. The little boy is ________（interest）in astronomy.