[ 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

Random Topics:
Giving and Asking for AbilityTenses - Present and PastGrammar and VocabulariesPast simple vs Present perfectGrammar: is/are/was/wereConditional SentencesConditionals and WishesPoetryWord FormationSimple PastOther quiz:
Perfect Tenses › ViewI can’t meet you at 7:00. I _______ the office by then
A. have left
B. won’t have left
C. had left
Grammar › View
The windows are in __________ frames.
A. circular huge wooden
B. huge wooden circular
C. wooden huge circular
D. huge circular wooden
Grammar › ViewI read an encyclopedia, it says that snakes _____ on the ground, in trees and in water.
A. Living
B. Live
C. Lives
D. Lived
Grammar › View
Rita usually ________ home at six p.m. every day.
(A)arrive
(B)arrived
(C)arrives
(D)will arrive
