—____________you swim? —Yes，but I’m not a good swimmer.
#74772
A
Can
B
May
C
Need
D
Must
推荐题目
—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
---Be polite . You _____ talk to the old like that ! ---Sorry , I won’t .
#75286
A
needn’t
B
wouldn’t
C
mustn’t
D
couldn’t
—________ I swim here?—I’m sorry. Children _______ swim alone here.
#76532
A
Must , can’t
B
May , must
C
Can, mustn’t
D
Can’t can
You have finished most of the work, so you ______ start working so early tomorrow. You ______ come at 9:00.
#74558
A
can’t ; may
B
mustn’t ; can
C
needn’t ; may
D
couldn’t ; can
You __________ buy a gift, but you can if you want to.
#63027
A
must
B
mustn’t
C
have to
D
don’t have to