6.He has no alternative but _____to ask his sister for help.A.to go B.goC.going D.goes该选哪个?说明为什么

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6.He has no alternative but _____to ask his sister for help.A.to go B.goC.going D.goes该选哪个?说明为什么
6.He has no alternative but _____to ask his sister for help.
A.to go B.go
C.going D.goes
该选哪个?说明为什么

6.He has no alternative but _____to ask his sister for help.A.to go B.goC.going D.goes该选哪个?说明为什么
A
在含介词but的句型中,but前有do,则but后的不定式不能带to；相反,but前若找不到do,则but后的不定式必定带to.例如：
I have no choice but to accept the fact.我别无选择,只好接受这个事实.
alternative 同choice

A. 固定句型，没有为什么

A
has no alternative/chance but to do没有选择只能干。。。
固定句型

he has no colour He has no friends.和He has no friend . 是He has no brother还是He has no brothers? He has no idea ..能不能写成He has no ideas... He has no money,too. He has no legs and no He has no legs and no He has no hair .He's b. He has no books 还是he has not books,为什么 He has no legs.变同义句He has no legs.变同义句He ----- ------- -----legs 翻译：he has no sense of business he has no class today.AatBinCfor He has no friends here[同义] He has no brothes改为同义句 He has no hat.(改同义句) He has no dog and no family.的中文翻译 he has no dog and no family变为否定句 He has no dog and no family .的汉语意思