A: May I smoke here B: If you ______, choose a seat in the smoking section.
A: should
B: could
C: may
D: must
A: should
B: could
C: may
D: must
举一反三
- — May I smoke here— No, ______. A: you mustn't B: you may not C: bot
- — _______ I borrow your book?— Sure. Here you are. A: May B: Must C: Should
- -- May I smoke here?
- —You must be here at six tomorrow morning.—Sorry, I ______ be here so early. A: can't B: may C: must
- —Could I smoke here? —Sorry. I am afraid you_______. Look at the sign ―No smoking!