[ Grammar ]
After many years of unrestrained carbon emissions, many scientists believe we are on the _____ of an ecological catastrophe.
A. Precipice
B. Fated
C. Access
D. Reprieve
Random Topics:
If/Unless - Conditional type 1Grammar - PunctuationComparisionsZero Conditionalgoing toParticipal PhrasesTenses (Present, Past, Future Forms)Independent and Dependent ClausesFuture Continuous TenseWord FormationOther quiz:
Grammar › ViewWhy don’t you apply for this job? It looks right _______ your street.
A. up
B. on
C. in
D. at
Preposition and Conjunction › View
A button was missing on the shirt, ________ she sewed one on before he left for school.
A. and
B. but
C. or
D. so
Quantifiers › ViewThere aren’t …………… apples in the fridge.
A. many
B. much
C. a lot of
D. lots of
Simple Present Tense › View
Cheetahs _________ the world’s fastest land animal.
A. is
B. are