英语 三年级 选择题 简单 What's this? It's a...问答 — 英语选择题 鲁科版·英语 Unit 4 School things AI 三重审校通过 题目 小杰拿着一本书,问:“What's this?” 选出正确回答。A. It's a pen. B. It's a book. 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