英语 三年级 选择题 简单 句型:What's this? It's a... — 英语选择题 外研社版(主编:刘兆义)·英语 Unit 4 My school things AI 三重审校通过 题目 桌上有一本书。选出正确回答:What's this? A. It's a book. B. It's a pen. C. It's a ruler. D. It's a pencil. 登录后查看答案与解析 用此考点生成试卷 本单元全部练习题 更多英语选择题