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-- He hasn’t gone to the office up to now. -- Well, he .A.shouldB.ought toC.ough

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-- He hasn’t gone to the office up to now. -- Well, he .A.shouldB.ought toC.ough

—— He hasn’t gone to the office up to now. 

—— Well, he _______.

A.should

B.ought to

C.ought to go

D.ought to have

试题答案

D

如果不定式本身为完成时态,简略答语中常保留have。ought to have=ought to have gone to the office.