[ Vocabulary ]
The philosopher spent his life studying questions of existence, identity, and reality—areas that fall under _____.
A. sedimentation
B. metaphysics
C. biosphere
D. advent
Select your answer:

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Grammar › ViewLike any top sportsman Ali _______ train very hard.
A. should
B. had to
C. must
Prepositions › View
Drinks are … me.
A. in
B. on
C. at
