The man over there _________ be over fifty. He looks so young.
#74552
A
mustn’t
B
must
C
can’t
D
can
推荐题目
What he said at the meeting made Mary rather embarrassed, so he felt that he ______ differently.
#63617
A
might express
B
should express
C
could have expressed
D
must have expressed
--Whose T-shirt is this? --It ____ be John’s. It’s ______ small for him. 
#74475
A
can ’t; much too
B
can ’t; too much
C
mustn’ t; much too
D
mustn’t; too much
Tom ____his homework yesterday, because he was in hospital all day.
#63327
A
can’t finish
B
couldn’t finish
C
couldn’t have finished
D
mustn’t finish