问题
选择题
27. Great changes _______in our city in the past twenty years.
A.have been taken place
B.have taken place
C.took place
D.were taken place
答案
答案:B
27. Great changes _______in our city in the past twenty years.
A.have been taken place
B.have taken place
C.took place
D.were taken place
答案:B