Question

--- May I smoke here?
--- If you       , choose a seat in the smoking section.

A．should

B．could

C．must

D．may

Answer 1

C

考查情态动词。Should 意为应当，竟然  could 可能，能够   must必须，一定，非要，偏要   may可能，可以
句意为，----我可以在这吸烟吗？
-----如果你偏要吸的话，选择吸烟区的座位。