[ Vocabulary and Grammar ]
We should participate in the movements _________the natural environment.
A. organizing to conserve
B. organized conserving
C. organized to conserve
D. which organize to conserve

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Present / Future / Present Progressive / non Action VerbsSimple Presentas...as, comparatives, superlativesModals of AdvisabilityPassive Voice in Past Simple Tensewas wereGerunds as Objects of PrepositionsSimple Present TenseGerund & ParticipleSingular and Plural NounsOther quiz:
Grammar › ViewBoys and girls go _____ dancing.
A. to
B. at
C. x
D. with
Grammar › View
You don’t understand […]
A. nothing.
B. anything.
C. something.
D. none.