[ Grammar ]
The bark of some species of oak trees yields a substance used in —- leather.
A. treating
B. to treat
C. its treatment
D. it treats
Select your answer:
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First Conditional › ViewIf she … at home, I wash the car.
A. was
B. is
C. is not
D. will be
Conjunctions › View
Paula doesn´t like Grammar class, __ she knows it is important.
A. but
B. and
C. or