Progress ________ so far very good and  we are sure that the work will be finished on time. 
#99165
A
was
B
had been
C
has been
D
will be
推荐题目
The manager_____ the workers how to improve the program since 9 a.m.
#99548
A
has told
B
is telling
C
has been telling
D
will have told
If they ______ what I was saying, they’d know what I was talking about.
#102347
A
took the trouble to listen to
B
had trouble listening to
C
take the trouble to listen to
D
have trouble listening to