Great changes _____ in China since 1949. A. have been taken place B. have taken place C. took place D. was taken place
A.A
B.B
C.C
D.D
正确答案是B
Great changes _____ in China since 1949. A. have been taken place B. have taken place C. took place D. was taken place
A.A
B.B
C.C
D.D
正确答案是B