—You seem tired, David.
—Yes. I _____ all day long and can’t wait to go to bed now.
A.am working | B.had been working |
C.have been working | D.was working |
相关知识点
推荐套卷
—You seem tired, David.
—Yes. I _____ all day long and can’t wait to go to bed now.
A.am working | B.had been working |
C.have been working | D.was working |