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英语 情态动词 (3 17:16:26)

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英语 情态动词 (3 17:16:26)
you ought to have make an apology to Tom yesterday evening.
Yes,I know I----
a.ought to           b.have to           c.should have          d.must have
选c
ought to have done sth(本应该做某事但没做)=should have done sth