I don’t understand why they don’t have the report. It _________  to them a week ago. 
#99517
A
is sent
B
was sent
C
will be sent
D
had been sent
推荐题目
The meeting        for two hours,but they still       any agreement.
#102274
A
has been going on;haven’t reached
B
has been going on; haven’t been reached
C
was going on; haven’t reached
D
was going on; haven’t been reached