题目内容
句型转换(每空一词)
They were playing soccer when I saw them.(就画线部分提问)
________ were they ________ when you saw them?
答案:What,doing
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题目内容
句型转换(每空一词)
They were playing soccer when I saw them.(就画线部分提问)
________ were they ________ when you saw them?