问题

May I smoke here?— If you ______, choose a seat in the smoking section.[ ]
A: should
B: could
C: may
D: must
B: could
C: may
D: must
正确答案是:
同类题型
Let’s go for a picnic this afternoon.—
Simon is very confident. He isn’t afraid of______ in the whole school.
West of our school ______ many barbecue stands, where many students like to go after school.
On returning from work, _____.
(2014台州)My mother prefers to take a bus to her office________she has a car of her own.