He ________ more than 5,000 English words when he entered the university at the age of 15.
#104133
A
has learned
B
would have learned
C
learned
D
had learned
推荐题目
I first met your sister ten years ago, when she ____at a supermarket as a salesgirl. 
#102409
A
has worked
B
had worked
C
was working
D
had been working
If George had followed his father’s advice, he ________ a lawyer now. 
#100621
A
is
B
would be
C
has been
D
would have been
--I’m going to the States?--How long ________ you________ in the States?
#101653
A
are; stayed  
B
are; staying  
C
have; stayed 
D
did; stay
--Why has he been staying at home these days?  --He ___________ since a month ago.
#104803
A
has been out of work
B
was out of work
C
has lost his work
D
had left from his work