11 --You look tired.-----I ___ the living room all daya have been painting b.have painted
问题描述:
11 --You look tired.-----I ___ the living room all day
a have been painting b.have painted
答
(was)cleaning
I (was)cleaning the living room all day
口语中be动词可以省略
答
was cleaning
答
a have been painting
-----你看上去很累.
-----我一整天都在宿舍画画.
have been painting过去一直持续到现在的动作