2._____the programme,they have to stay there for another two week_英语解答

2._____the programme,they have to stay there for another two weeks.
A.Not completing B.Not completed
C.Not having completed D.Having not completed
D为什么不对

人气：432 ℃　时间：2019-08-20 18:22:11

解答

肯定句是：
Doing sth.
Having done sth.
否定句是：
Not doing sth.
Not having done sth.
这是固定的,你要记住哦~哦哦是固定的呀那我就懂了！谢谢！