Your phone ______ for several minutes now. Why don’t you answer it?
#100562
A
had rung
B
rang
C
has been ringing
D
was ringing
推荐题目
It is when the plane ______ that you’d better find out at the booking office.
#104088
A
would take off
B
had taken off
C
was taking off
D
is taking off
They required that the work              as soon as possible.
#100269
A
be finished
B
will be finished
C
should finish
D
is finished
There was a knock at the door. It was the second time someone _______ me that evening.
#104453
A
had interrupted
B
would have interrupted
C
to have intrrupted
D
to intrrupt