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
人气：346 ℃ 时间：2019-10-19 13:07:34
解答
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
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