—Look! That man looks like Mr.Brown.—It ________ be him, for I know he is at home.
#74860
A
mustn’t
B
can’t
C
shouldn’t
D
needn’t
推荐题目
 You ______be tired after working for eight hours without ______ a rest.
#74847
A
can; have
B
may; having
C
must; having
D
need; to have
The door ________ open, no matter how hard she pushed. 
#62946
A
shouldn’t
B
couldn’t
C
wouldn’t
D
mightn’t
She __________ be here. I saw her come in.
#77390
A
can
B
may
C
should
D
must