题目内容
【题目】—Let's go dancing tonight!
—Sorry, I ______.I have to go to a meeting.
A.mustn't
B.may not
C.needn't
D.can't
【答案】D
【解析】句意：——今天晚上我们去跳舞吧。——对不起，我不能去。我得去参加一个会议。mustn't一定不要，表禁止；may not也许不；needn't不必；can't不能。
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题目内容
【题目】—Let's go dancing tonight!
—Sorry, I ______.I have to go to a meeting.
A.mustn't
B.may not
C.needn't
D.can't
【答案】D
【解析】句意：——今天晚上我们去跳舞吧。——对不起，我不能去。我得去参加一个会议。mustn't一定不要，表禁止；may not也许不；needn't不必；can't不能。