—Does your sister work as a teacher in Canada? —No, but she once _________there for five years．
#101415
A
taught
B
had taught
C
has taught
D
would teach
推荐题目
A fire broke out in the neighborhood last night. By the time the firemen arrived, it .
#101011
A
had been put out
B
would put out
C
has been put out
D
was putting out
Although the Eiffel Tower ______ to last for 20 years, it is still standing today.
#100117
A
has designed
B
had designed
C
is designed
D
was designed
In the last ten years, they _______ three great scientific experiments.
#103919
A
finished
B
have finished
C
had finished
D
have been finished
He insisted that he _________ nothing wrong and ________free .
#103397
A
should do ; should be set
B
should do; had been set
C
had done; should be set
D
had done; had been set[
My wife usually saves some money by ________ the prices of everything she buys.
#99070
A
turning down
B
cutting down
C
turning up
D
cutting up