问题

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
B:was leaving
C:has been away
D:had left
正确答案是:
同类题型
What do you think of _____talk he gave us yesterday?–Wonderful. I’ve never heard _____ better one.
Come closer. If you look_____, you’ll find there is something wrong with the machine.
She spent as much time as she could _____ over her lessons.
Excuse me, does Mr. Zhang’s son live here? —He________ be here, but he has moved?