题目内容
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
答案:D
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题目内容
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