[ Vocabulary ]
composed of two or more separate elements chemically combined
A. atom
B. element
C. compound
D. molecule

Random Topics:
Prepositions of MovementContrastive ConjunctionsGerunds and Infinitivestoo / enoughWish SentenceVerb PhraseVerbs & Verb TensesTense,noun,preposition,quantityRegular and Irregular VerbsAdverbial Clause, Noun ClauseOther quiz:
Grammar › ViewHarry up, you will ___ the train.
A. lose
B. fall
C. miss
TOEIC Grammar › View
Ms. Pham requested a refund ____ the coffeemaker she received was damaged.
A. despite
B. why
C. concerning
D. because
Conjunctions › ViewNatalie likes ___ milk ___ cream cake.
A. neither … nor
B. since
C. unless
Subject Verb Agreement › View
Mary and John usually … together.
A. play
B. plays
