问题描述：
单项选择：Would you please tell me ____ with Peter He looks unhappy.
A:what the matter is B:what wrong isC:what wrong it was 好像都对、该选哪个?为什么?
A:what the matter is B:what wrong isC:what wrong it was 好像都对、该选哪个?为什么?
问题解答：
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