—Your colleague's spoken English is quite good, Amy.— No wonder, as she              in the USA for two years.                  
#99368
A
worked
B
has been working
C
had worked
D
has worked
推荐题目
(2014·宝鸡三检)By the time the girl comes back to life,scientists probably________a cure for this incurable disease.
#99123
A
will have discovered 
B
are discovering
C
will be discovering 
D
have discovered
-----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
 —Have you read the book called Waiting for Anya?—Who _________ it? 
#104597
A
writes
B
has written
C
wrote
D
had written