题目: 电源相序反了,会出现什么现象? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0306/4c5e69832b03344d99ad8a0db119c717.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 Li Ming is said ______ the experiment in the lab, but I can’t find him there. A.to have doneB.to doC.to be doingD.doing 查看答案