[ Past Simple and Past Progressive ]
When I ___________(walk) into the room, everyone _________ (work).
A. was walking / worked
B. walked / worked
C. was walking / was working
D. walked / working

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Quantifiers and AdjectivesGrammar SuffixesPresent Perfect and Present Perfect Progressive TensesIf Conditional Zero and OnePreposition and AdjectiveGrammar of Future PlansPresent Simple vs Present ContinuousParticiple AdjectivesPresent Perfect Negative and InterrogativeFOR & SINCEOther quiz:
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A. ever
B. never
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Kathy prefers cooking ___ sewing.
A. to
B. and
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I will ________ to pop songs in a few minutes.
A. listens
B. listen
C. listening
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