—________  you play the piano for us?—Sorry, I can't play the piano, but I can sing for you.
#75423
A
Can
B
Must
C
May
D
Should
推荐题目
---May we go home mow ? --- No, you____. You____ to go home until 5 o’clock.
#78057
A
mustn’t; are allowed
B
don’t have to; are supposed
C
needn’t; aren’t allowed
D
can’t; aren’t supposed
Days later, my brother called to say he was all right, but ________ say where he was. 
#62801
A
mustn’t
B
shouldn’t
C
wouldn’t
D
mightn’t
 —Can you play the violin? —_____. But I can sing.
#74698
A
Yes, I do
B
No, I don’t
C
Yes, I can
D
No, I can’t.
That man ________ be Mary’s father, as he is much taller.
#76683
A
can
B
must
C
can’t
D
mustn’t