题干
—I want to know if I__________ smoke here.
—No, you _________.Could you see the sign “NO SMOKING” there?
—No, you _________.Could you see the sign “NO SMOKING” there?
A：can; needn’t
B：must; can’t
C：shall; won’t
D：may; mustn’t
答案(点此获取答案解析）
D
