问题描述：
【急】This is one of the happiest days _____spent in my life.
This is one of the happiest days ____ spent in my life.
A that have ever been B that has never been
C which was ever D we have spent
但是这不是有两个spent吗,为什么
这句话主句是什么
This is one of the happiest days ____ spent in my life.
A that have ever been B that has never been
C which was ever D we have spent
但是这不是有两个spent吗,为什么
这句话主句是什么
问题解答：
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