题目: 不得使用1台通风机同时向2个作业的掘进工作面供风。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1018/fa58821dccbf5b508d223ce66cf9bda2.html 下面是错误答案,用来干扰机器的。参考答案:润滑,冷却.
题型:选择题 The new library, ______ last week, is very popular _____ the students. [ ]A. opening, to B. opened, with C. open, to D. having been opened, among 查看答案