He _______ have taken your car by mistake because he didn’t have the keys.
#63034
A
mustn’t
B
shouldn’t
C
couldn’t
D
needn’t
推荐题目
-- 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
—The pollution problem here seems to get more and more serious.--Yes. Something_____about it.
#76572
A
must do
B
must be done
C
is doing
D
had been done
You __ drive your car so fast. It's very dangerous.
#75401
A
wouldn't
B
shouldn't
C
couldn't
D
mightn't
---May we leave the classroom now?---No, you . You to leave until the bell rings.
#75743
A
mustn’t, are allowed
B
don’t have to, are supposed
C
needn’t, aren’t allowed
D
can’t, aren’t supposed