问题描述:
_____ in beijing for more than twenty years , he knows the city very well.
A living B lived C having lived D to live
请问这题为什么不能选b?
为什么也不能选c?
A living B lived C having lived D to live
请问这题为什么不能选b?
为什么也不能选c?
问题解答:
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