[ 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:
Connectors › ViewThe plane landed … the thick fog that covered the runway.
A. however
B. in spite of
C. although
Reported Speech › View
“I see the clouds,” Mark said.
A. He told me that he sees the clouds.
B. He told me that he saw the clouds.
C. He told me that he is seeing the clouds.
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