It is required that students _____mobile phones at school, so seldom _____them using one.
#87519
A
don’t use; will you see
B
should not use; you will see
C
not use; will you see
D
can’t use; will you see
推荐题目
The manager ______ the worker how to do it, or the accident couldn’t have happened.
#87803
A
couldn’t have told
B
ought to tell
C
could have told
D
mustn’t have told
— Lily is a happy girl, but today she seems in a bad mood. — Something ________ to her.
#88135
A
must happen
B
should have happened
C
could have happened
D
must have happened
The poor boy    the test again; in that case, his mother will be very disappointed.
#88223
A
must have failed
B
might fail
C
could have failed
D
should fail