— Must they clean and tidy the classroom now? — No, they . It after school in the afternoon.
#78237
A
mustn’t; must clean
B
needn’t; must clean
C
mustn’t; need be cleaned
D
don’t have to; can be cleaned
推荐题目
We'd better wait more minutes. I think Jeff will come soon,
#77624
A
a few
B
few
C
a little
D
little
He ______ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
#62659
A
wouldn’t
B
shouldn’t
C
couldn’t
D
mustn’t
— Who’s singing in the next room?— It ____ be her . She has gone to New York.
#78019
A
can’t
B
must
C
shouldn’t
D
can
It has been announced that students remain in their seats until all the papers have been collected.
#63191
A
can
B
will
C
shall
D
may
