The project will be finished at the end of this month; by then we ______ for ten weeks.A.

外语类 公共英语 已帮助 人

The project will be finished at the end of this month; by then, we ______ for ten weeks.

A.are working

B.have been worked

C.were working

D.will have worked

请帮忙给出正确答案和分析,谢谢!

热搜:剩余碱(BE)