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1 . We _______ have bought so much food now that Suzie won’t be with us.
A.may not | B.can’t | C.mustn’t | D.needn’t |
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12-13高一上·甘肃天水·阶段练习
2 . The boss ______ the worker how to do it, or the accident couldn’t have happened.
A.can’t have told | B.ought to tell | C.could have told | D.mustn’t have told |
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