[ Grammar ]
If everyone_____ trash onto the water, the water will not be polluted.
A. don’t throw
B. doesn’t throw
C. didn’t throw
D. haven’t thrown

Random Topics:
Verbs and PrepositionsGerund and InfinitiveTemporal Conjunctions and ConnectivesConjunctions and Sequence ConnectorsCoordinating and Subordinating ConjunctionsIdentifying TensesModals for RecommendationsFuture Tenses, Conditionals and ProfessionsWill vs be going toAdverbs, Modals, Preposition of timeOther quiz:
Pronoun › ViewWe meet ___ friends at the mall yesterday.
A. our
B. yours
C. its
D. it
E. me
Tenses › View
My uncle’s office stays open until 12.00 on weekends.
The sentences means……
A. My uncle work at 12.00 on weekend
B. My uncle’s office open at 12.00 on weekend
C. My uncle doesn’t have to work on weekends
D. My uncle has to work on weekend
E. my uncle’s office closes at 12.00 on weekend
