13．John knocked at the door for nearly five minutes　　　　 his wife opened it．

　　 A．when　　　　　　 B．before　　　　　 C．until　　　 　　　　D．while

12．　　　　 the fact that the product is safe，many people have stopped buying it．

　　 A．In spite of　　　　 B．In case of　　　　 C．On account of　　 D．As a result of

11. It was 　　　World War II broke out 　　_ his hometown to fight in the war.

A. until; that his brother didn’t leave 　　　　　　　 B. until; when his brother left

C. not until; that his brother left　　　　　　　　 D. not until; that did his brother leave

10.　　 　picking up the phone, I recognized her voice.　　　

A. On 　　 B. At　　 C. With　　　　 D. As

9．－I wonder if I 　　　　smoke here．一NO,you　　　 . You see，there is a“NO SMOKING”sign here．

A．may；needn’t　　 B．must；can’t　　　 C．shall；won’t　　 D．can；mustn’t

8．The cloud never hides the sun．The truth will be known to all　　　　 　．

　　 A．by now　　　　　 B．in time　　　　　 C．at present　　　　 D．in future

7．They are good friends, but Pam hates _____ when Ray calls her at work..

　A. that　 B. /　　 C. it　 D. this

6．一Mary looks down today．What is the matter?

　 一Well，　　　　 happened between Mary and me is none of your business．

　　 A．wherever　　　　　 B．whoever　　　　　 C．whatever　　　　 D．whichever

5. -What’s the matter with you?- After the long walk, my legs 　　and I couldn’t go any further.

　 　　 A. gave out　　 B. gave off　　 C. gave in　　 　　　 D. gave up

4. He is really considering 　　　　　himself to　　　 these children of the poor mountain village.

　 A. to devote; educating 　　　　　　　　B. devoting; educating　

C. devoting; educate　 　　　　　　　　　　　　　 D. to devote; educate