—I hear Robert has gone to Harvard University for his masters degree.—Oh,how nice!Do you know when he   ?
#103952
A
was leaving
B
left
C
had left
D
has left
推荐题目
Look out! The train ________.
#99925
A
leaves
B
is leaving
C
has left
D
left
Our food supply _____. We’d better get some in case there’s ____ left.
#101949
A
is running out, none
B
has run out of, none
C
is using up, nothing
D
has used up, nothing
— Isn’t it hard to drive downtown to work? —Yeah, that’s why I ______ to work by train. 
#101418
A
have gone
B
have been going
C
was going 
D
will have gone
The manager was concerned to hear that two of his trusted workers _____.
#101325
A
are leaving
B
have left
C
were leaving
D
will leave