[ Grammar ]
Humans rely on _____ species of plants and animals for food than they once ______.
A. less, done
B. fewer, done
C. less, did
D. fewer, did

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Grammar › ViewI read an encyclopedia, it says that snakes _____ on the ground, in trees and in water.
A. Living
B. Live
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Rita usually ________ home at six p.m. every day.
(A)arrive
(B)arrived
(C)arrives
(D)will arrive