10．-How did it ______ that you made such a silly mistake?

-I myself haven’t figured it out yet.

A. bring about　 　　　　　　　　　 B. come about

C. come across　 　　　　　　　　 D. come on

9．Mike didn’t understand ______ made his wife so upset this morning.

A. what was it　 　　　　　　　　　 B. why it was that

C. how that was　 　　　　　　　　 D. what it was that

8．Although we had been out of touch for ten years, I recognized her ______ I met her.

A. first time　 　　　　　　　　　　　　　　 B. for the first time

C. the first time　 　　　　　　　　 D. by the first time

7．-You look very pale. You ______ very tired.

-I didn’t sleep at all last night.

A. must be　 　　　　　　　　　　　 B. must have been

C. can be　 　　　　　　　　　　　　 D. can have been

6．Children never want to go to bed at the proper time, they always want to ______ late.

A. sat up　 　　　　　　　　　　　　　 B. stay up

C. stand up　 　　　　　　　　　　　 D. take up

5．(2009·石家庄质检)I couldn’t do my homework with all that noise ______.

A. going on　 　　　　　　　　　　　 B. goes on

C. went on　 　　　　　　　　　　　 D. to go on

4．Make yourself ______ home and help yourself ______ anything that you’d like to eat.

A. in; with　 　　　　　　　　　　　 B. at; to

C. at; with　 　　　　　　　　　　　　 D. in; to

3．______ with the size of the whole earth, the biggest ocean doesn’t seem big at all.

A. Compare　 　　　　　　　　　　　　　　 B. When comparing

C. Comparing　 　　　　　　　　　 D. When compared

2．I know nothing about the young lady ______ she is from Beijing.

A. except　 　　　　　　　　　　　　　　　　 B. except for

C. except that　 　　　　　　　　　　　　　 D. besides

1．He’s got himself into a dangerous situation ______ he is likely to lose control over the plane.

A. where　　 　 　　 B. which

C. while　 　　　　　　　　　　　　　 D. why