题目列表(包括答案和解析)
--- May I go now?
--- No. You ______________ let the teacher know first.”
A.need |
B.must |
C.can |
D.may |
--May I go now?
--No, you ________. You _____stay here.
A. needn’t; have to B. needn’t ; must
C. mustn’t; have to D. mustn’t; has to
---“May I go now?”
---“No. You ______ let the teacher know first.”
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