[ Vocabulary ]
During the Covid-19 pandemic, ___ from traffic decreased in many cities.
A. emissions
B. fuels

Random Topics:
Definite and Zero ArticleModal "Have to"Conditional Sentence Type 1Simple, Complex, Compound SentenceAdverbs or AdjectivesModals and Past ModalsSubordination ConjunctionsGrammar ClausesGrammar PhrasesTag QuestionOther quiz:
Definitions, Synonyms › View Michael is a really fast runner.
A. Slow
B. Speedy
C. Sluggish
D. Happy
Grammar › View
Factories should recycle water and stop releasing chemicals ( ) lakes and rivers .
A. into
B. onto
C. in
D. on
Grammar › ViewThey …….. (not be) angry to us.
A. didn’t be
B. wasn’t
C. weren’t
Modals and Tenses › View
Choose the correct modal: You ___ finish your homework before dinner. (must, might)
A. would
B. must
C. could
D. should
