[ Tenses ]
Before I got to the end of his article, I felt I knew everything there ______ about the North America Free Trade Agreement.
A. had known
B. was to know
C. is known
D. is being known

Random Topics:
So Such Enough TooNoun Phrases and AdverbialsPassive Voice, Modals of Deduction and First ConditionalWho or WhomAdverb of TimeVerb PatternsEmployment VocabularyGrammar Pronoun and Singular Plural NounGerund and InfinitivesPassive ModalsOther quiz:
Grammar › ViewWe can get some bread, milk and eggs from the_________.
A. wet market
B. grocery shop
C. bakery
D. hardware store
Question Words › View
________ money do you have in the bank?
– I don’t have any money in the bank. I’m broke!
A. What
B. How much
C. How many
__________ are you going to do with that extra food?
A. Who
B. What
C. Which
D. Whose
Conjunctions › View
Tigers _____ elephants are animals.
A. and
B. but
C. because
D. or
E. so
