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

Random Topics:
Simple, Complex, Compound SentencePresent Simple and Present ContinuousAdjectives-Comparison, SuperlativeAdjectives with -ED and -INGSynonymAdverbs or AdjectivesAuxiliary Verbs & Question TagsDemonstrative PronounGrammar - Wh QuestionsOther quiz:
Conjunctions › ViewI don´t like Reggaeton music, __ it is okay if you want to play it.
A. and
B. or
C. but
Grammar › View
The meeting will start when everybody …
A. Arrive
B. Arrives
C. Will arrive
D. Will have arrived