I still don't know what__while I was away from home.A:has happened B:happened
I still don't know what__while I was away from home.A:has happened B:happened
英语人气：775 ℃时间：2019-12-15 15:38:34
优质解答
应该选B.只是对过去事实的陈述,没有持续到现在或对现在造成影响,所以必是B.
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