SomanysmoggydaysinthewinterinBeijing
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- 關注:1.11W次
問題詳情:
So many smoggy days in the winter in Beijing ____that we had to wear masks before going out.
A. have been there B. were there C. there have been D. there were
【回答】
B
知識點:一般過去時及其被動式
題型:選擇題
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