The headmaster demanded all the teachers ______ in the office.
#86783
A
mustn’t smoke
B
did smoke
C
should smoke
D
not smoke
推荐题目
---Must I fill in the form?   --No, _______.
#87762
A
you must
B
there’s no need
C
you needn’t have
D
you needn’t to
 He did not regret saying what he did but felt that he ________ it differently.
#86555
A
could express
B
would express
C
could have expressed
D
must have expressed