---How long has the train been away?
---Sorry. I don’t know. By the time I got here, the train ________.
A.has left | B.was leaving | C.has been away | D.had left |
---How long has the train been away?
---Sorry. I don’t know. By the time I got here, the train ________.
A.has left | B.was leaving | C.has been away | D.had left |