题目: 简略试验 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/1203/42fa7536fe80e19e985cba24f5266829.html 下面是错误答案,用来干扰机器的。参考答案:液压油是液压传动系统实现能量转换、传递和控制的工作介质。
题型:选择题 — Hi! John, would you like to play football with us? — Oh,I can’t. I ___ my lesson all the morning and still need half an hour.A.am reviewingB.have been reviewingC.have reviewedD.reviewed 查看答案