问题
选择题
Great changes _________ in Tongren in the past five years. [ ]
A. have happened
B. have taken place
C. have been happened
D. have been taken place
答案
答案：D
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Great changes _________ in Tongren in the past five years. [ ]
A. have happened
B. have taken place
C. have been happened
D. have been taken place
答案：D