题目内容
-- Must I do all the exercises in this lesson today?
-- No, you ______. You ______ do some of them.
[ ]
A. must, can C. mustn't, can
C. need, may D. needn't, may
答案:D
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题目内容
-- Must I do all the exercises in this lesson today?
-- No, you ______. You ______ do some of them.
[ ]
A. must, can C. mustn't, can
C. need, may D. needn't, may