英语 九年级 选择题 简单 现在完成时 — 英语选择题 人教版·英语(初中) Unit 13 We're trying to save the earth! AI 三重审校通过 题目 Since the new recycling program began last month, our school ______ 500 plastic bottles and sent them to a recycling center. A. has collected B. collected C. collects D. is collecting 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