— Be quiet, the head teacher Mr. Gu is coming.— Don’t worry. It _____ be him. Mr. Gu is much fatter.
#75618
A
mustn’t
B
may not
C
needn’t
D
can’t
推荐题目
It was so dark outside that the little child ________ go out by himself. 
#62941
A
dare not to
B
dared
C
dares
D
didn’t dare to
He failed in the driving test again. He         .
#62842
A
must have disappointed
B
must have been disappointed
C
might be disappointed
D
couldn’t be disappointed