[ Grammar ]
Yesterday, Jim was playing the piano __________ his sister was playing the flute.
A. as
B. although
C. while

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Contrast Linking WordsPast Perfect and Past Perfect ContinuousArticles & PrepositionTo Infinitive or GerundQuestion TagAdjectives (-ed / -ing)Present Simple and Present ContinuousPassive SentenceConditional Sentence Type 1Prepositions - ConjunctionsOther quiz:
Grammar › ViewWhen I…………a child I …………..watch a lot of cartoons.
A. am,would
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Grammar › View
The professor told him not to talk in class.
He ________________ by the professor not to talk in class.
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Vocabulary › View
In order to learn, all children must …….. school.
A. have
B. graduate
C. abandon
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