问题:
【题文】-- 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
【题文】-- 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 |
参考答案: