They__________on the program for almost one week before I joined them, and now we ________on it as no good results have come out so far.
#63797
A
had been working; are still working
B
had worked; were still working
C
have been working; have worked
D
have worked; are still working
推荐题目
 By the time Jack returned home from England,his son ________ from college.(2011·辽宁)
#63809
A
graduated
B
has graduated
C
had been graduating
D
had graduated
 The plan ______ just because people were unwilling to co-operate.
#63826
A
broke down
B
pulled down
C
turned down
D
put down
The ___ look on his face suggested that he ____ so.
#63805
A
surprised; hadn’t expected
B
surprising; hasn’t expected
C
surprised; hasn’t expected
D
surprising; hadn’t expected