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题目

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my conclusion is whether buildings should be built in traditional styles should be determined on a case-by-case basis,depending on their location and the exact purposes that they serve.
请问my conclusion is后边的表语从句为什么后边有跟了个should be determined on a case-by-case basis?他是什么成分?depending on their location and the exact purposes that they serve.
是什么成分?

答案