I still don't know what__while I was away from home.A:has happened B:happened
问题描述:
I still don't know what__while I was away from home.A:has happened B:happened
答
B
while I was away 说明是过去时态
答
选 A
持续到现在,现在还不知道~
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.
答
B 这句话表示过去发生的事情 不含有完成的意思