He’s already left here. You have come here half an hour earlier.A.oughtB.mustC.s
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He’s already left here. You ______ have come here half an hour earlier.
A.ought
B.must
C.should to
D.ought to
试题答案
D
本题考查情态动词。句中ought to have done =" should" have done本应当做。句意：他已经离开这儿了，你本应当早半个小时来这里。