[ Vocabulary ]
______ is a chemical reaction between substances, which usually includes oxygen and produces heat and light.
A. Combust
B. Combustion
C. Combustible
D. Combusted
Random Topics:
Modals of DeductionAdverbs of frequencyTOEFL Adjective and AdverbPronouns and Subject Verb AgreementPast Perfect TenseSecond ConditionalsInfinitive or GerundGerund or to InfinitiveContrastive ConjunctionDefinite and Zero ArticleOther quiz:
Past Tenses › ViewWe ___ our house for months before the floor tiles finally arrived.
A. had been decorating
B. had decorated
C. were decorating
D. decorated
Tenses › View
Thesa ___ a letter for her Idol yesterday
A. Writing
B. Writes
C. Wrote
D. Written