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 completedD为什么不对

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2._____theprogramme,theyhavetostaythereforanothertwoweeks.A.NotcompletingB.NotcompletedC.Nothavingco

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 completedD为什么不对
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

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 completedD为什么不对
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~

这里not是否定having completed的。
not可以在分词前,构成对非谓语的否定。

希望帮到你