5. With little time left, I had to 　　　this difficult math problem and started checking.

A. give in　　　　　　 B. give back

C. give up　　　　　　 D. give off

4. 　　　　be late for class, I got up early and tried to catch the first bus.

A. In order to notB. In order not to

C. So as to notD. So as not to

3. You will be 　　　losing your health if you keep working day and night like this.

A. in danger　　　　 B. in the danger

C. in danger of　　 D. in the danger of

2. -You finish the housework without any difficulty, don’t you?

-Yes. It’s 　　　that I don’t have to do much to keep it clean.

A. such a tiny kitchen　　　 B. so a tiny kitchen

C. such tiny a kitchen　　　 D. a so tiny kitchen

从每小题的A、B、C、D四个选项中,选出可以填入空白处的最佳选项。

1. The increasingly developing technology 　　　humans to know more about space and themselves.

A. makes　　　　 B. allows

C. lets　　　　 D. forces

5. Smoking should not be allowed in public places.

Smoking 　　　　　　　　　　　in public places.

4. He is stupid enough to play football in the rain.

He is 　　　　　　　　　　　he played football in the rain.

3. He stood on a chair so that he could see it more clearly.

He stood on a chair 　　　　　　　　　　　see it more clearly.

2. It is likely that he will be late.

　 　　　　　　　　　　　to be late.

1. I totally agree with you.