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.
#104931
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
Because the shop ________，all the Tshirts are sold at half price.
#99729
A
has closed down
B
closed down
C
is closing down
D
had closed down
The old man __________ in Tibet for two years as a volunteer teacher；it is an experience he often mentions.
#101367
A
served
B
serves
C
is serving
D
has served
My neighbour came to ask me why there was so much noise in my house yesterday afternoon. I told her that some children an English song.
#102835
A
praticed
B
would practice
C
have practiced
D
were practicing
一 When did the computer crash?一 This morning, while I the reading materials downloaded from some websites.
#102121
A
have sorted
B
was sorting
C
am sorting
D
had sorted