—I wonder why Mr Green hasn't showed up at the meeting yet.—I'm not sure，but he________in a traffic jam driving here.
#62838
A
could be stuck
B
might have been stuck
C
might be stuck
D
must have been stuck
推荐题目
The magazine was started by Becky, ______ I know.
#77992
A
as far as
B
as well as
C
as soon as
D
as much as
It ________ have been her to leave her child alone and do whatever she wanted. She isn't such a person.
#62517
A
couldn't
B
mustn't
C
mightn't
D
wouldn't
——Will you stay for lunch?——Sorry， . My brother is coming to see me.
#63161
A
I mustn’t
B
I can’t
C
I needn’t
D
I won’t
–I’ve taken someone else’s green sweater by mistake.–It Harry’s. He always wears green.
#63608
A
could be
B
will be
C
mustn’t be
D
has to be