1.Winter is the time of year the days _____ are short and nights are long.(when or that) why?2.Hi you look tired.I am tired.I______ the living room,all day.A.have been painting B.have painted老师说选A,判断不出来啊?
问题描述：
1.Winter is the time of year the days _____ are short and nights are long.(when or that) why?
2.Hi you look tired.
I am tired.I______ the living room,all day.
A.have been painting B.have painted
老师说选A,判断不出来啊?
答
第一个填that因为是个定语从句,从句中缺主语.第二个选A是因为已经过去的一整天都在一直做的一件事,加上没有过去的时间作比较所以要用现在完成进行时