[ Grammar ]
Choose the correct past tense form of each verb to complete the following sentence.
We had _______________ about the thickness of these woods.
_____
A. knew
B. known
Select your answer:

Random Topics:
Conditional Sentence 0, 1Sentence Structure and PunctuationClauses of ReasonAdverb of ConcessionPast Perfect TensesGrammar - Capitalization and Possessive NounsTenses and Verb FormsPast Perfect vs Past SimpleAdverbial Clause, Noun ClauseQuantifiers and AdjectivesOther quiz:
Grammar › ViewThe members of marketing division ____ before the schedule.
A. should arrive
B. may arriving
C. must not arrive
D. can to arrive
Grammar › View
Good or bad advice? : Take long pauses, so the listener can think about the story
A. Good advice
B. Bad advice
