The man is____ a serious nervous breakdown because he is unable to deal with pressure from daily life.

 A.at the edge of   B. on the edge of   C.on behalf of  D. on the top of

I wanted nothing but _____,_____ I stayed up all the night.

A. sleep; for         B. sleep; so           C.to sleep; so     D. to sleep; for

I’m putting on weight. The doctor has warned me to______ suggar.

A. keep up             B. keep fit            C. keep off          D.keep on

They _____ that all the people injured be back to their own beds immediately.

A. ordered    B. demands     C. wished     D. expected

Helen ______ go on the trip with us, but she isn’t quite sure yet.

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

 The girl _____ to be a good dancer if she is well trained in an art school.

   A. expects                   B．allows                 C．wishes                 D．promises

The thing that _____ is not whether you fail or not, but whether you try or not.

   A. matters                   B．cares                   C．considers             D．minds

 —She may not be free today.

       —___, we’ll have to put the meeting off.

    A. If may                                       B. If not

    C. If she may not                               D. If she may not be free today.

She ____ on her homework in her study now .

A . must work B . can work C . must have worked D . must be working

He ____ you more help even though he was very busy .

A . might have given B . might give C . may have given D . may give