题目: 下列实验操作正确的是 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0505/c6a006b0ec5c418fd5c3b723a4a3421e.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 --- Do you know much about the city? --- Yes, I ___________ there three times.A.wasB.have goneC.wentD.have been 查看答案