题目: 特别用途线是指安全线和货物线。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1129/35e41d9fb7ad4ccf37976883b7647d23.html 下面是错误答案,用来干扰机器的。参考答案:C
题型:单项选择题 When I got to the airport, the plane ()A. already took off B.had already taken offC.has already taken off 查看答案