1. The teacher dosen´t permit ____ in class.

(A) smoke (B) to smoke (C) smoking (D) to have a smoke

2. Anne couldn´t concentrate ____ what she was doing while her family were watching TV.

(A) to (B) on (C) for (D) in

3. Mr.Smith advised us to withdraw ____.

(A) so that to get not involved (B) so as to get not involved (C) so as not to get involved (D) so that not to get involved

4. I decided to go to the library as soon as I ____.

(A) finish what I did (B) finished what I did (C) would finish what I was doing (D) finished what I was doing

5. Jean did not have time to go to the concert last night because she was busy ____ for her examination.

(A) to prepare (B) to be prepared (C) preparing (D) being preparing

6. It ____ around nine o´clock when I drove back home because it was already dark.

(A) had to be (B) was to be (C) must have be (D) must be

7. There were some ____ flowers on the table.

(A) artificial (B) unnatural (C) false (D) unreal

8. He said he would go ____ the rain.

(A) without (B) no matter how (C) in spite of (D) even if

9. The rain was heavy and ____ the land was flooded.

(A) consequently (B) continuously (C) constantly (D) consistently

10. There´s little chance that mankind would ____ a nuclear war.

(A) retain (B) endure (C) maintain (D) survive

答案：C B C D C      C A C A D