_____ she can ’ t come, who will do the work?

A. Supposed B. Supposing

C. Having supposed D. Being supposed

 — Mum, why do you give me so much popcorn?

— _____ the boring time.

A. Kill B. Killing C. To kill D. Having killed

 _____ his age, the little boy read quite well.

A. Considering B. Considered

C. Consider D. Having considered

The man kept silent in the room unless ______ .

   A.spoken to         B.spoke to        C.spoken           D.to speak

??——Did you hear her ______ this pop song this time the other day?

   ——Yes,and I heard this song ______ in English.

   A.sing;singing    B.sung;sung         C.sung;singing     D.singing;sung

As ____ unemployment is very high at the moment, it’s very difficult for people to find _____ work.

A. the; /                            B./; /                         C. the; a                     D. an; the

If you _____ stop smoking, you can only expect to have a bad cough.

A. won’t                        B. would not            C. do not                 D. can not

The research is so designed that once _____ nothing can be done to change it.?

A. begins                           B. having begun          C. beginning               D. begun

 49. --- Is there _____ here?

--- No, Bob and Tim have asked for leave.?

A. anybody                    B. everybody  ?        C. somebody                   D. nobody??

_____ with a good education can apply for the job.?

A. Who　                         B. Whoever 　           C. Anyone 　                    D. Who ever