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______ are the birds doing? They are singing in a tree.( )A. Who B. What C. How D. Where

______ are the birds doing? They are singing in a tree.( )
A、 Who
B、 What
C、 How
D、 Where

发布时间:2025-11-07 11:04:14
推荐参考答案 ( 由 题搜搜 官方老师解答 )
答案:【计分规则】: B
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