3.    震什么时候会发生？(happen)

The dictionary is to a student 　　 the tool is to a worker.

A. which　　 B. that　　 C. what　　 D. whatever

Your food will _________(消化) more quickly if you chew it well.

Do you know the boy ____ under the big tree?

A. lay 　 B. lain　　　 C. laying 　 D. lying

Jack is late again.It is 　　　　 of him to keep others waiting.

A.normal　　　 　 B.ordinary　 　 C.common　　 　 D.typical

I like getting up very early in summer. The morning air is so good ______.

A. to be breathed　 B. to breath　 C. breathing　 D. being breathed

Every means _____ prevent the water from _____.
A. are used to; polluting                                   B. will be used to; polluting
C. is used to; polluted                                      D. is used to; being polluted

—I’m sorry to trouble you, madam.

　 —_______

　　 A. What for? B. My pleasure. C. It’s no matter. D. What seems to be the problem?

The purpose of new technologies is to make life easier, _____ it more difficult. 
  A. not make     B. mot to make     C. mot making     D. do mot make   

—I don’t suppose the police know who did it.

—Well, surprisingly they do. A man has been arrested and _____ now.

A. has been questioned　 B. is being questioned　 C. is questioning D. has questioned