To give the promotion to Harold was silly. He __________ ...

[ Past Modals ]

To give the promotion to Harold was silly. He __________ (know) much about this company after only a year working here. No wonder our sales are down!

A. couldn’t have know

B. couldn’t have known

C. could have known

D. could had known

Select your answer:

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Time Clauses of Future Linking Words & Phrases Do not- Does not Possessive Nouns Present Perfect Simple & Present Perfect Continuous To Infinitive or Bare Infinitive Relative Clauses with who and which was were Modal Verbs and Advice Irregular Plural Nouns

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Vocabulary and Grammar › View

. Which part of the sentence below is an independent clause?

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Visitors to São Paulo ___ it interesting to go to Instituto Butant�, a world famous research center that produces antivenin vaccine.
a. may find
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c. ought find
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