By the first day of August, 2007, the PLA ________ for eighty years.
#39441
A
founded
B
has founded
C
has been found
D
had been founded
推荐题目
Tina _______ England with her parents three years ago. 
#38005
A
visits
B
visited
C
will visit
D
was visiting
 ---I don’t know what _____ if I do that. ---I think you ______ tell him the whole thing first.
#41645
A
happens; should
B
happens; shouldn’t
C
will happen; should
D
will happen; shouldn’t