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____ police responded quickly to the call.
A. the
B. a
C. an
D. none

Random Topics:
Continuous TensesConditionals / Unreal PastPersuasive TextPast Simple VerbsOn, At, ByCompound Nouns and Compound Adjectives Questions1st & 2nd ConditionalsLinking Words and PhrasesGerund after Prepositions and Certain VerbsCompound and Complex SentencesOther quiz:
Grammar › ViewWe drove/ were driving to the airport when our car broke down.
A. drove
B. were driving
Past Simple - Present Perfect › View
Katty and I ____(go) to the cinema yesterday.
A. gone
B. went
C. goed
D. have gone
Gerund vs. Infinitive › ViewAttending Dr. Becker’s English class was the highlight of my day.
A. Participle
B. Gerund
C. Infinitive
Grammar : Must (Necessity) › View
Please be quiet! This is a library. You ___ talk loudly.
A. must
B. mustn’t
C. don’t have to