[ Wish, Unless, If sentence ]
My dog is making too much noise. If only it _____ quiet.
A. kept
B. would keep
C. had kept
D. keep

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Mesopotamia VocabularyClauses and GerundsPresent simple & ContinuousVerbs + Gerund or InfinitiveSynonym and AntonymParts of Speech and GrammarModal Verbs for Permission and ObligationUncountable NounsZero and First ConditionalsQuantifiers and ArticlesOther quiz:
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A. eminent
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C. gluttony
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Prepositions › View
I love traveling _____ trains.
A. in
B. on