—Look at the boy running on the ground. Is it Davis?—It ______ be him. I saw him go to the teacher’s office just now.
#74465
A
mustn’t
B
can’t
C
could
D
might
推荐题目
—Teenagers _______ allowed to drive a car. — That’s true. It’s too dangerous for them to drive a car.
#74972
A
should be not
B
should not be
C
should be
D
should not
--- My son is _____ to be seen. Where has he gone? --- I think he _____ in the building.
#62906
A
nowhere; must be hiding
B
nowhere; must be hidden himself
C
anywhere; hides
D
everywhere; hides himself
We have hurried all the way to the airport - the flight was called off because of the foggy weather．
#62846
A
mustn’t
B
couldn't
C
needn’t
D
wouldn’t
---Let's go to the train station by bus.---We______take a bus. It is quite near from here.
#74313
A
can't
B
needn't
C
couldn't
D
mustn't
Mary ______ my letter; otherwise she would have replied before now.
#63420
A
has received
B
ought to have received
C
couldn’t have received
D
shouldn’t have received