---What’s wrong with your cell phone? I can’t get through.--- Oh, my line was cut off because I ________ my bill.
#102546
A
haven’t paid
B
hadn’t paid
C
wasn’t paying
D
don’t pay
推荐题目
Michael ______ here to see you and he ______ a note on your desk . 
#104622
A
has come ; has left
B
has been ; has left
C
has come ; left
D
has been ; left
 Professor James will give us a lecture on the Western culture, but when and where __________ yet.
#104603
A
hasn’t been decided
B
haven’t decided
C
isn’t being decided
D
aren’t decided