题目
His sister\’s little ducks are under the tree. (就划线部分提问)
______ his sister\’s little ducks ?
知识点:助动词的单数第三人称形式章节:词法 / 动词
His sister\’s little ducks are under the tree. (就划线部分提问)
______ his sister\’s little ducks ?
答案与解析
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