I can"t leave. She told me that I _____ stay here until she comes back. [

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I can"t leave.  She told me that I _____ stay here until she comes back.  [     ]
A. can
B. must
C. will
D. may

答案

举一反三

When we were young, every evening my sister and I _____ stay at home doing homework.  [     ]
A. would
B. might
C. should
D. could

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— Could I borrow your pen?
— Yes, of course you____.  [     ]
A. could
B. will
C. can
D. should

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A computer____think for itself; it must be told what to do.  [     ]
A. can"t
B. couldn"t
C. may not
D. might not

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Can you believe that he _____ marry such a girl much older  than him?  [     ]
A. should
B. would
C. can
D. must

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— The research on the new bird flu virus vaccme is challenging and demanding. Who do you think
      can do the job?
— _____ my students have a try?     [     ]
A. Shall
B. Must
C. Will
D. May

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