问题
选择题
— Long time no see!
— I've just returned I to Zhengzhou for a meeting last month. [ ]
A. am sent
B. was sent
C. am sending
D. was sending
答案
答案：B
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— Long time no see!
— I've just returned I to Zhengzhou for a meeting last month. [ ]
A. am sent
B. was sent
C. am sending
D. was sending
答案：B