[ 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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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