问题
选择题
—Oh, this is really a big shop. Do you know when it ______?
—Last year. [ ]
A. built
B. was built
C. has built
D. has been built
答案
B
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—Oh, this is really a big shop. Do you know when it ______?
—Last year. [ ]
A. built
B. was built
C. has built
D. has been built
B
） 