---- 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
If penicillin _____________ available, many people ______________ from sickness.
#86943
A
weren’t , would have died
B
shouldn’t be, would die
C
hadn’t been, would have died
D
is, will die
--- Don’t you think it necessary that he __________ to Miami but to New York? --- I agree, but the problem is __________ he has refused to.
#87999
A
will not be sent; that
B
not be sent; that
C
should not be sent; what
D
should not send; what
 That car nearly hit me; I ______. 
#89563
A
might be killed
B
might have been killed
C
may be killed
D
may been killed