--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
 I felt surprised that anyone of his intelligence   ________  such an easy test.
#62347
A
might have failed
B
could have failed
C
should have failed
D
must have failed
Alice    be at school because she phoned me from her home a minute ago.
#76102
A
mustn’t
B
isn’t able to
C
may not
D
can’t