2._____the programme,they have to stay there for another two weeks.

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
英语人气:561 ℃时间:2019-08-20 18:22:11
优质解答
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!
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