And you find that you're not to be _____ with a position of real responsibility.

　 A. offered　 B. trusted　 C. furnished　 D. retained

He’s unlucky, and he’s always suffering _____ luck one after another.

A. a sick 　 B. an ill　　 C. sick　 D. ill

你最好照说明一步一步地做。

You'd better _____ _____ _____ and do it step by step.

Please remain 　　　　　 until the plane has come to a complete stop.?

A.to seat　　　　　 B.to be seated?　　 C.seating　　　　　 D.seated

You should learn to be _____, Diane. Try to do things all by yourself, OK?

A. patient　　　　 B. serious　　　　 C. careful　　　　 D. independent

It was not until 1920 _______ regular radio broadcasts began.

A. while　 　B. which　　 C. that　 　　D. when

Isn’t it time you got down to________the papers?

A．mark B．be marked

C．being marked D．marking

The positive meanings_____ words in an ad and how they are presented in an interesting way play an important role in promoting a product.

　 A. are attached to　　　 B. attached to　　

　 C. attaching to 　　 D. having attached to

There was a terrible noise ______ the sudden burst of light.

A. follow 　　　B. following

C. to be followed　　　 D. being followed