—Why do you look so worried? —My computer broke down and my essay ______ unfinished since.
#102209
A
had left
B
has left
C
was left
D
has been left
推荐题目
 I don’t have a job. I would find one but I     no time.
#104679
A
had
B
didn’t have
C
had had
D
have
—That must have been a pleasant experience.— yeah, we         ourselves.
#100814
A
have been enjoying
B
enjoyed
C
were enjoying
D
had enjoyed
 I’ll go to the library as soon as I finish what I       .
#99930
A
was doing
B
am doing
C
have done
D
had been doing
—Watch!  —I ____ but ____ I ____ anything unusual. 
#104209
A
watched; have watched
B
have watched; am not seeing
C
was watching; wasn’t seeing
D
am watching; don’t see
-----Hi, Tina, can I use your car for a while this afternoon?----- Sorry, _______.
#102518
A
it’s repaired
B
it has been repaired
C
it’s being repaired
D
it had been repaired