——The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?

   ——____ Tom have a try?

 A. Shall        B.Can       C.Will         D.Need

Tom       have come in person．He came such a long way just to tell us me result．

         A．mustn’t                B．needn’t               C．wouldn’t                 D．couldn’t

－He asked Tom, “Have you finished your homework？” 
－He asked Tom  ______ .

We were all surprised that Tom _________ have got the highest mark in the maths test．

1. A.
   could
2. B.
   should
3. C.
   might
4. D.
   would

—Tom, have you finished your homework?

—Yes, I ________ before you came back, mom.

A. finished        B. have finished      C. had finished    D. finish