---- I can’t get through to the general manager’s office anyhow. ---- The line is busy. Someone ___________ the telephone.
#87229
A
can have used
B
can use
C
must have used
D
must be using
推荐题目
It’s required that the students___ mobile phones in their school, so seldom ____ them using one.   
#87521
A
not use; will you see
B
should not use; you will see
C
don’t use; will you see
D
would not use; you will see
The officer insisted the young girl______a thief and ordered she______free.
#87505
A
was not;be set
B
should not be;be set
C
was not;was to be set
D
was not;set
 — You _____ stop me.— Even if you _____ it, I won’t allow you to do it.
#89218
A
mustn’t…dare not do
B
may…dare not do
C
can…dare to do
D
needn’t…dare do