Wang Pin is an advanced worker in our company. He _______ for four years in Yangzhou University.
#103542
A
studied
B
has studied
C
had studied
D
has been studying
推荐题目
 I ______, but I was prevent by the heavy rain.
#104168
A
had meant coming
B
had meant to come
C
meant to come  
D
meant coming
 My cousin went to Canada two years ago. He ____ there for a few months and then went to America.
#100760
A
worked
B
would work
C
would be working
D
has been working
By the time Fred gets back home, his girlfriend       for London to study.
#102733
A
will have left
B
leaves
C
has left
D
will leave