[ Grammar and Vocabulary ]
Most of the air pollution results _____ the burning of fossil fuels, motor vehicles, factories, aircraft and rockets.
A. in
B. to
C. on
D. from

Random Topics:
The Simple Present TenseProgressive TenseAdverbial Concession ClausesPresent and Past Simple TenseMaritime Vocabulary and GrammarPresent Tenses: Simple vs ContinuousGrammar for IELTSVerb Types and Tensesas...as, comparatives, superlativesVerb 3 formsOther quiz:
Present Tenses › ViewShe ________________ listening to music. It’s one of her hobbies.
A. has enjoyed
B. enjoys
C. is enjoying
D. has been enjoying
Present Perfect Tense › View
Make a positive sentence ? (present perfect tense )
I/ already/ finished/ my report
A. I have alreadydone finished my report
B. I haven’t finished already my report
C. I have already finished my report
D. I has already finished my report
Tenses › ViewThose houses in Idjen Boulevard ….. either mine or hers.
A. hasn’t
B. aren’t
C. is not
D. wasn’t
Present Simple and Continuous Tense › View
He _____ right now, don’t make a noise.
A. sleeps
B. is sleeping
C. sleep
