题目内容
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There is an old man in the boat. (把主语改复数)
There ________ ________ ________ ________ in the tree?
答案:are,some,old,men
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题目内容
句型转换
There is an old man in the boat. (把主语改复数)
There ________ ________ ________ ________ in the tree?