1、On average, a successful lawyer has to talk to several _______ a day.

A：customers

B：supporters

C：guests

D：clients

答案： D

2、 Tom, what did you do with my documents? I have never seen such a _____ and disorder!

A：mass

B：mess

C：guess

D：bus

答案： B

3、Many people watched the boys ______the mountain at that time.

A：climb

B：climbing

C：to climb

D：climbed

答案： B

4、On ________ side of the street there are some trees.

A：both

B：either

C：every

D：all

答案： B

5、Never before _______ see such a terrible car accident on the road!

A：I have

B：have I

C：I did

D：did I

答案： D