15.I lost my way in complete darkness and ________ it began to rain.

A. to make matters worse was that　　 B. what made matters worse was that

C. making matters worse,　　　　　 D. made matters worse,

14.Only those who follow their dreams_________ achieve the final success.

　 A. do they　　　　　 B. can they　　　　 C. they can　　　　 D. can

13.----What is the young man you spoke to like?

　---- ________.

　 A. He is modest　 B. He is feeling better　 C. He is an engineer　 D. He likes swimming

12.-I’m happy to take care of your bird while you’re gone. _____ does he need to be fed?

　 -Some days he eats a lot, but some days he doesn’t. Just put more food in his dish when you notice that it’s empty.

A. How soon　 B. How long　 C. How often D. How many

11._____ what they have seen, scientists build a theory about the way that things happen.

A. Being explained　　 B. Explained　　 C. Explain　　 D. To explain

10.　　　 in a poor family made Jack very hardworking when he was still young.

A. Bringing up　 B. Being brought up　 C. Having brought up　 D. Brought up

9. It is always those _____ forgive first _______ achieve more happiness.

A.不填; and　　 B. who; and　　　 C. who; that　 D. that; but

8. Personally I prefer to stay up late at night, but not ______ I'll have to drive to work the next day.

A. while　　　　 B. unless　　　　 C. because　　　 D. when

7. They were making a good effort, for they knew before them ______ a bright future.

　A. lay　　　　　 B. laid　　　　 C. lie　　　 D. lying

6. If the first few sentences of your application letter fail to win the reader’s attention, the rest of the letter _______ not be read at all.

A. must　　　　 B. shall　　　 C. may　　　 D. can