问题描述：
定语从句的一道题
—Robert,is this yours?
—Yes,it's the same Walkman ___i lost on the playground yesterday
A which B that C as D that
不是有same 就要用as
—Robert,is this yours?
—Yes,it's the same Walkman ___i lost on the playground yesterday
A which B that C as D that
不是有same 就要用as
问题解答：
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