---- May I smoke here?--- If you , choose a seat in the smoking section.
#62982
A
should
B
could
C
must
D
may
推荐题目
－I’d like to help the homeless people in the earthquake. －You ________ join a volunteer group.
#74891
A
must
B
need
C
can
D
couldn’t
—How much shall I pay for the phone call? —You________. This is free of charge.
#63321
A
shouldn't
B
can't
C
don't have to
D
mustn't
The company is quite honest and guarantees the new product ______ be under warranty for three years.
#62995
A
should
B
shall
C
will
D
can