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_____ research they did into the effects of laughter was very interesting.
A. The
B. A
C. –

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Object PronounArticles - rulesPresent Simple vs Present ContinuousReflexive pronounsVerb + InfinitiveNoun Verb AgreementTenses, Tag Questions, Phrasal VerbsSimple Present Tense/be/Present ProgessiveSimple Present VS Present ContinuousCoherent Sentence with Correct Grammar StructureOther quiz:
Zero Conditional Sentence › ViewIf you smoke, your skin …………. more quickly.
A. age
B. ages
C. will age
D. aging
Grammar › View
__________(attack) by enemies, they lost the war.
A. Attacking
B. Attacked
Grammar - help/have/let/make › ViewOur teachers ______ us do our homework.
A. makes
B. make
C. lets
Modals of Obligation › View
You… all the food if you don’t feel like.
A. should eat
B. had better eat
C. don’t need to eat
D. Must eat
