They _________ on the program for almost one week before I joined them, and now we are still working on it as no good results have come out so far.
#103812
A
have worked
B
had worked
C
have been working
D
had been working
推荐题目
I called Hannah many times yesterday evening，but I couldn't get through. Her brother_____ on the phone all the time!
#104086
A
was talking
B
has been talking
C
has talked
D
talked
—Hi, Jack．You look a bit fat now． —Yes, I ______ five pounds recently．
#99315
A
am putting on
B
will put on
C
have put on
D
had put on
---Allen, are you coming with us? ---I’d love to, but something unexpected ____.
#101426
A
has come up
B
was coming up
C
had come up
D
would come up
Miss. Gao _______ in the library for three years. But now she is a teacher.
#102018
A
worked
B
has worked
C
had worked
D
has been working
—Where did you go on National Day? —Jiuzhai Valley. I ______ to go to France, but the expense was too high.
#100243
A
planned
B
would plan
C
have planned
D
had planned