By the first day of August, 2007, the PL
题型:选择题
问题:
By the first day of August, 2007, the PLA _____ for eighty years.[ ]
A. founded
B. has founded
C. has been found
D. had been founded
By the first day of August, 2007, the PLA _____ for eighty years.[ ]
A. founded
B. has founded
C. has been found
D. had been founded