—________  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
You didn’t have breakfast. You ________ be hungry now.
#77187
A
must
B
can’t
C
could
D
might
—____ I swim here?—I’m sorry. Children ____ swim alone here..
#74302
A
Must, can’t
B
May, must
C
Can, mustn’t
D
Can’t, can
—Look! The boy in the white shirt ___be Tom. --It ____be him. I saw him enter the library just now. 
#76568
A
must; can’t
B
must; mustn’t
C
may; shouldn’t
D
may; mustn’t
You'd better ____ football in the street.
#75999
A
play
B
not play
C
not to play
D
plays