[ Grammar ]
Which of the following word is incorrect?
A. sustain
B. sustainer
C. sustainable
D. sustainability

Random Topics:
Adverb of TimeComplex Sentences with Adverb ClausesMuch, many, a lot of, a few, a littleWas and WereAsking for and Giving OpinionDependent PrepositionsPrepositions and TensesGrammar and PrepositionPast Continuous and Past Simple TenseInversion + Passive VoiceOther quiz:
Modals › View…. you mind driving me to school today?
A. Would
B. Could
C. May
Personification › View
Which of these sentences contains personification?
A. Vines crept slowly up the sides of the birdhouse.
B. Slow-growing vines soon covered the sides of the birdhouse.
C. Vines were growing slowly next to the birdhouse.
Prepositions › View… home
A. at
B. on
C. in
Parts of Speech and Compound Sentences › View
He was helping us, “even if” he did it while complaining.
A. subordinating conjunction
B. coordinating conjunction
C. correlative conjunction
