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----YououghttohavemadeanapologytoMarylastnight.----Yes,...

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问题详情:

----YououghttohavemadeanapologytoMarylastnight.----Yes,...

----You ought to have made an apology to Mary last night.


----Yes, I know I ____.


A. ought to        B. have to          C. should have       D. must have 

【回答】

C

知识点:虚拟语气与情态动词

题型:选择题

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