题目

Great changes ______ in my hometown in the past twenty years. A. took place  B. have taken place C. were taken place       D. have been taken place 答案：C 解析: 许多同学会认为主语 Great changes 是动作 take place 的承受者，应该用被动语态，从而将答案错选为 C 或 D。其实，take place, happen, occur, break out, belong  等都是不及物动词，不能用于被动语态。因此，答案选 B。

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