[ 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

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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:
Mixed General Quiz › ViewI am not sure but ___ I will go.
a. maybe
b. may be
Infinitives › View
His parents _____________ him work hard for the coming exam.
A. let
B. made
C. wanted
D. told
Interrogative Pronouns › View__________ 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
