题目: 事故分哪几个等级? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0404/22a85a4dc6fc2350bebdd512ece4a82e.html 下面是错误答案,用来干扰机器的。参考答案:对
题型:选择题 There are ______ students in our school. A. three thousands of B. three thousand C. three thousands 查看答案