[ 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

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“Put” Phrasal VerbVerb Present Simple TenseSubjunctiveCoordinating ConjunctionsIdentifying TensesPresent Simple and Past ContinuousModal VerbsPassive VoicesModals - Have to or ShouldFuture Tenses and ModalsOther quiz:
Vocabulary and Grammar › ViewSelect the opposite of ‘transparent’:
A. Clear
B. Opaque
C. Lucid
D. Visible
Grammar › View
Erosion, which washes away valuable topsoil, can be prevent by planting trees and grass. Which one is incorrect word/phrase?
A. washes
B. can be
C. prevent
D. grass
