问题
选择题
The Chinese mainland pandas, Tuantuan and Yuanyuan, _____ to Taiwan on Dec. 23nd,2008. [ ]
A. sent
B. were sending
C. had sent
D. were sent
答案
答案：D
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The Chinese mainland pandas, Tuantuan and Yuanyuan, _____ to Taiwan on Dec. 23nd,2008. [ ]
A. sent
B. were sending
C. had sent
D. were sent
答案：D
