[ Grammar ]
Reducing soot emissions _____ helps slow down global warming but also helps protect our health.
A. either
B. neither
C. both
D. not only

Random Topics:
Simple Present - WH QuestionsSo or SuchSimple TensesGrammar - Future ActionPreference & Future TenseSimple Present Negative and QuestionParticiple - ing/ edEnglish for TourismGrammar ModalsAdverb of Frequency and Past Continuous TenseOther quiz:
Grammar - Present Perfect › View_____ he ever ridden a horse?
A. Have
B. Has
C. Having
Grammar › View
To ace the debate, we need someone who can argue __________.
A. clear
B. clearly
C. clearer
D. clearest
Grammar › ViewTim admitted ________ Lucia the whole truth.
A. not having told
B. not to have told
C. for not telling
D. to not to tell
Wishes › View
“I’m sorry you failed the test,” “Frankly, I wish I…………harder.”
A. could study
B. had studied
C. have studied
D. would have studied
