第35题: [单项选择]—Isn't it hard to drive downtown to work —Yes, that's why I ______ to work by train.
A. have been going B. have been gone C. has gone D. going 参考答案:A 答案解析:[解析] 考查动词的时态。用短暂动词(如come,go)的现在完成进行时可以表示到目前为止的一段时间内重复发生的动作。题意是我从过去到现在一直乘城铁去上班,所以用动词的现在完成进行时。