―Isn’tithardtodrivedowntowntoworkallthetime?―Yes,andtha...

問題詳情：

―Isn’t it hard to drive downtown to work all the time?

―Yes, and that’s why I ______ to work by train.

A. have gone                   B. have been going

C. was going                   D. will have gone

【回答】

知識點：現在完成進行時及其被動式

題型：選擇題