14. -Did you call Ben? He was on the net the whole night.

-_______ I wasn’t able to get through.

A. In case　 　　　　　B. Now that　

C. On condition that　 　D. No wonder

13. It was 1969 　_______ two Americans got to the moon by spaceship.

A.　 when

B.　 which

C.　 that

D.　 as

12. A man escaped from the prison last night. It was a long time 　_______ the guards discovered what had happened.

A. before　　　　 　　　　　B. until　　　

C. since　　　　　 　　　　　D. when

11. It?s already 10 o’clock. I wonder how it　 _______ she was two hours late on such a short trip.

A. came over　 　　　　　　　B. came out　　

C. came about 　　　　　　　D. came up

10. Unfortunately, not everyone has realized the important part the balance of nature 　_______　 their daily life.

A.　 plays in 　　　　　　　　B.　 playing

C.　 plays of　　　　　　　　 　D.　 to play in

9. The final examination is opening up soon. It’s time for us to　 _______ our studies.

A. get down to

B. get out

C. get back fo

D. get over

8. Please 　_______ that this bill must be paid within two weeks.

A.　 threw away 　　 B.　 note

C.　 mind　　　　　　　　 D.　 remark

7. If you 　_______ any problems when you arrive at the airport, give me a ring.

A.　 come up with 　　　 B.　 set about

C.　 run into 　 　　　　 D.　 put aside

6. This will 　_______ pressure on the train to some extent.

A.　 reduce　 　　 　　B.　 relieve

C.　 relief 　　 D.　 increase

5. It doesn’t take long to become ________ these drugs.

A.　 addicted to　　 B.　 addiction to

C.　 addict to　　　 　　D.　 addictive to