题目内容
根据中文完成句子
那时我不太确定谁是我的朋友而谁不是我的朋友。
I was not sure at that time _______ was my friend and _______ ______.
答案:who;who;wasn't
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题目内容
根据中文完成句子
那时我不太确定谁是我的朋友而谁不是我的朋友。
I was not sure at that time _______ was my friend and _______ ______.