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专四语法练习题(二十九)

2016-06-26来源:和谐英语

1. Mike, you__1__play with fire. You__1__ burn yourself.
A. won’t; can’t B. mustn’t; may
C. don’t have to; must D. have got to; shouldn’t
  
2. You__2__see the doctor, Joe. You don’t look very well.
A. must B. shall C. may D. can
  
3. —Must I clean the window now?
  —No, you__3__
A. mustn’t B. needn’t C. can’t D. may not
  
4. Jack’s ill, so they__4__change their plans.
A. must B. should C. have got to D. ought to
  
5. Harry has been reading all day —he__5__be tired.
A. should B. has got to C. has to D. must

(做完后才能看答案哦!)