题目内容：

there are twelve birds singing in the tree.twelve划线,如何提问

优质解答

" How many birds are there in the tree?"
树上有几只鸟?
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追问：

singing呢？

追答：

How many birds are there singing in the tree? 树上有几只鸟儿在唱歌呢？ singing 在句子中做伴随状语。