题目内容
?Must I wait for you here now?
?No, you ________. You may be back in half an hour.
A. don't have to
B. mustn't
C. can't
D. shouldn't
答案:A
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题目内容
?Must I wait for you here now?
?No, you ________. You may be back in half an hour.
A. don't have to
B. mustn't
C. can't
D. shouldn't