great changes ___ since new China _____in 1949.
great changes ___ since new China _____in 1949.
A.have been taken place ,was founded
B.took place,founded
C.have taken place / was founded
D.have taken place ,founded
选哪个?为什么?中文意思是?
A.have been taken place ,was founded
B.took place,founded
C.have taken place / was founded
D.have taken place ,founded
选哪个?为什么?中文意思是?
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