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

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

—Tom, have you finished your homework?

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

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

——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

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