While I ….(watch) tennis on TV, my sisters …..(play) a video game.
A. While I watched tennis on TV, my sisters played a video game.
B. While I was watching tennis on TV, my sisters were playing a video game.
C. While I had watched tennis on TV, my sisters were playing a video game.

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Verbs and PrepositionsNumbersIrregular Plural NounsSimple Present - Negative & InterrogativeAdjective Clause and Adverb ClauseSo....that... Such.......thatUsed toAnalogyProgressive Perfect and Simple Verb TensesPast Simple and Past ProgressiveOther quiz:
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Choose the sentence with correct grammar.
A. Everyone was asked to raise their hand.
B. Everyone was asked to raise our hand.
C. Everyone was asked to raise her hand.
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The tetracyclines, _____ antibiotics, are used to treat infections.
A. are a family of
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