–Smoking should          in school.--I agree. It’s bad for our health.
#44372
A
be allowed
B
not allow
C
allow
D
not be allowed
推荐题目
---- May we leave the classroom now? ---- No, you _____. You _____ to leave until the bell rings.
#44917
A
mustn’t, are allowed
B
can’t, aren’t supposed
C
don’t have to, are supposed
D
needn’t, aren’t allowed
Our classroom   _______   by us every day!
#44538
A
is cleaning
B
has cleaned
C
must clean
D
is cleaned
  The girl in black trousers _____often noticed ______the teachers’ office.
#44412
A
are; entering into
B
are; entering
C
is; to enter into
D
is; to enter