英语 六年级 选择题 较难 have/has + 过去分词 — 英语选择题 外研版·英语(三起) Module 9 AI 三重审校通过 题目 The classroom is clean now. Which present perfect form completes the sentence? The children ___ it already. A. has clean B. have cleaned C. have clean D. cleaned 登录后查看答案与解析 用此考点生成试卷 更多英语选择题