[ Vocabulary ]
A letter or symbol used to represent an unknown number
A. Variable
B. Algebraic Expression
C. Coefficient
D. Constant
E. Distributive Property

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Gerund NounSome & AnyCompound SentencesAdverb of ConcessionGrammar (was, were, could, could not)Pronouns, Verb, ConjunctionAdverbial Clause of Cause and EffectPresent Tenses and VocabularySimple PastPossessive Nouns with Apostrophes and PronounsOther quiz:
Vocabulary and Modals › ViewWhen you have a healthy ________ you also have more ________ every morning.
A. train, activity
B. stretch, pain
C. lifestyle, energy
D. rest, warm up
Time Clauses of Future › View
My suitcase comes out. Then, I go to the hotel.
A. Unless my suitcase comes, I go the hotel.
B. As soon as my suitcase comes, I’ll go to the hotel.
C. I’ll go to the hotel before my suitcase comes out.
D. After I’ll go the airport, my suitcase comes out.
