-- Look at the boy running on the ground. Is it David?-- It _______ be him. I saw him go to the teacher’s office just now.
#77075
A
might
B
could
C
can’t
D
mustn’t
推荐题目
When I was a child，I ________ watch TV whenever I wanted to. (2013·江西，29)
#62296
A
should
B
could
C
must
D
need
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
—Must I go to the shop with you，Mum?—Err... I can make it myself，Mike. You go with me.
#76344
A
mustn’t
B
shouldn’t
C
wouldn’t
D
needn’t
Why _______ you be so stubborn? You should think over my advice on this matter.
#62210
A
may
B
shall
C
dare
D
must
The weather turned out to be fine. I the trouble to carry the umbrella with me.
#62806
A
should have taken
B
needn’t have taken
C
mustn’t have taken
D
could have taken