---How long has the train been away?---Sorry. I don’t know. By the time I got here, the train ________.
#52826
A
has left
B
was leaving
C
has been away
D
had left
推荐题目
There _________ two football matches on TV this evening.
#53444
A
will have
B
are going to have
C
is going to be
D
are going to be
You should try your best ____ your English. 
#57127
A
to improve
B
improving
C
improves
D
improve
---Are you going to Shanghai?--- Yes, we          Shanghai next Sunday.
#58927
A
are leaving for
B
are leaving
C
leave for
D
leave