[ Vocabulary and Grammar ]
Coal power stations ________ sulfur dioxide into the surrounding air.
A. release
B. reduce
C. avoid

Random Topics:
Vocabulary and Idiomswill, be going to, would like toSentences and Non SentencesAdverbial Clause of MannerAspect or tenses of VerbsGrammar - either...or, neither...norTenses & PrepositionRelative Pronouns with PrepositionsConditional Sentences Type 1TOEFL Adjective and AdverbOther quiz:
Ed and Ing Endings › ViewMy parents were very _________ in me because I didn’t go to university.
A. disappoint
B. disappointed
C. disappointing
Mixed Tenses › View
……………………..you me?
A. Do you remember?
B. Are you remembering
C. You remember
Some vs. Any › ViewCould I have __ oranges, please ?
a. some
b. any
Prepositions › View
It’s time to sit down because ____ on the table.
A. Dinners’
B. Dinner’s
C. Dinners’s
