Great changes __in my hometown since I left here ten years ago?A were happened B took place C have taken place D had happened应该选哪个?为什么?

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Great changes __in my hometown since I left here ten years ago?A were happened B took place C have taken place D had happened应该选哪个?为什么?

Great changes __in my hometown since I left here ten years ago?A were happened B took place C have taken place D had happened应该选哪个?为什么?
Great changes __in my hometown since I left here ten years ago?
A were happened B took place C have taken place D had happened
应该选哪个?为什么?

Great changes __in my hometown since I left here ten years ago?A were happened B took place C have taken place D had happened应该选哪个?为什么?
C have taken place 1.这句是现在完成时2.happen是偶然发生,takeplace 是按计划必然发生
而家乡的变化是必然的,按计划的

B
句子中有“since I left here ten years ago”,这是现在完成时的标志性时间状语,所以用现在完成时。
希望对你有帮助O(∩_∩)O~

C

c since···表示现在完成时,表示从过去到现在