—Listen! There is a knock on the door. Who _____ it be?—It must be Jack. Just now I sent for him.
#63686
A
shall
B
can
C
must
D
might
推荐题目
One ought ________ for what one hasn't done.
#62937
A
not to be punished
B
to not be puished
C
to not punish
D
not be punished
You ______ park here! Don’t you see “No Parking” beside you?
#63201
A
needn’t
B
mustn’t
C
won’t
D
couldn’t
It’s quite warm here; we __________turn the heating on yet.
#63494
A
couldn’t
B
mustn’t
C
needn’t
D
wouldn’t