- Someone is knocking at the door.  - It ______ be Tom. He is still in the school.
#74686
A
can’t
B
mustn’t
C
couldnot
D
might; not
推荐题目
You    eat the soup if you don't like it.
#77619
A
shouldn't
B
mustn't
C
needn't
D
can't
I ________ myself more— it was a perfect day.
#62719
A
shouldn’t have enjoyed
B
needn’t have enjoyed
C
wouldn’t have enjoyed
D
couldn’t have enjoyed