--Whose T-shirt is this? --It       be John’s. It’s much too small for him.
#77527
A
may
B
must
C
can’t
D
shouldn’t
推荐题目
---      your brother swim, John?---No, he       .
#75887
A
Is; isn’t
B
Can; can
C
Can; can’t
D
are, can’t
—Where _____ Mary have put the empty bottles? — She _____ them away. They must be somewhere. 
#63263
A
can; can’t have thrown
B
must; needn’t
C
must; must have thrown
D
can; mustn’t have thrown
This pair of shoes ______ Li Gang’s ,It’s too big for him .
#76071
A
can’t be
B
could be
C
might be
D
must be