We might have been at the airport for hours, if ... | GrammarQuiz.net

Topics: Grammar, Conditional Sentences, Vocabulary

We might have been at the airport for hours, if we _______ that the flight was delayed.

A. had known

B. had not known

C. know

D. knew

Select your answer:

Random Topics:

Perfect Tenses of Verbs Preposition and Adjective Reported speech (statements)Passive Sentence Common & Proper Nouns Grammar: Defining Relative Clauses Tenses and Structure Verbs & Adverbs Present Perfect Tense and Simple Past Tense Perfect Modals

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A. was waving

B. have waving

C. is waving

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a.clean

b.dirty

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