---Be quiet! Mr Smith is coming. --- Don’t worry. It__________be him. Mr Smith is much taller.
#74432
A
mustn’t
B
must
C
can’t
D
needn’t
推荐题目
I have trouble ________ the new words. 
#75119
A
memorize
B
to memorize
C
memorizing
D
memorized
I spend some time       English books every morning. 
#75113
A
reading
B
in read
C
to read
D
reading
— Did you visit the museum today? — No. We ______ it, but we spent too much time shopping.     
#63436
A
could have visited
B
must have visited
C
may have visited
D
couldn’t have visited