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:
Verb BEBasic GrammarPast Perfect or Past Perfect ContinuousCoordinating ConjunctionsRelative Clauses & Real ConditionalsGrammar: MorphologySubject Verb Agreement; Indefinite PronounsSimple Present - Negative & InterrogativeIN, ON & ATPassive Voice Present SimpleOther quiz:
Grammar › ViewHe _____ a lot of money.
A. have
B. has
C. have to
D. has to
Future Tense › View
Select the sentence that contains the future perfect tense:
A. Love one another and you will be happy. It’s as simple and as difficult as that. (Michael Leunig)
B. I hope I will have achieved something lasting.
