问题
选择题
—What are on show in the museum?
—Some photos _____ by the children of Yushu, Qinghai. [ ]
A. have been taken
B. were taken
C. are taken
D. taken
答案
答案：D
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—What are on show in the museum?
—Some photos _____ by the children of Yushu, Qinghai. [ ]
A. have been taken
B. were taken
C. are taken
D. taken
答案：D