[ Passive Voice ]
These birds _______________ in Canada. (not / usually / see)
A. isn’t usually seen
B. aren’t usually seen
C. wasn’t usually seen
D. isn’t usually see

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Give, do and makeNarrative, Past TensesWh QuestionsFrequencyConditional Sentence Type 2 and Type 3Must / must notPrepositions and ConjunctionsTOEFL Adjective and AdverbTake or PutPresent Perfect TenseOther quiz:
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I _____ bake for bake sale next week.
A. am going to
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____ you usually _________ swimming in your free time?
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