is reading - Sarah ______________ a book in the library now., 're cooking - My parents ______________ dinner in the kitchen at present., is - _________ she driving to work?, it 's - Bring an umbrella. _______________ raining., is studying - Alex ______________ math now., 's running - The dog ______________ in the garden at the moment., I am not dancing - ______________ at present., she is - Is she crying? → Yes, ______________ ., 's riding - He ______________ his new bicycle now., is writing  - My aunt ______________ a book at the moment., is learning  - She ______________ English with my sister now., They 're doing - Bob and Sam are busy. ___________ their homework at the moment., 're drinking - Mai and Tuan always _______________ (drink) coffee in the morning., is sleeping - Look, the cat _______________ (sleep) on the sofa., is .. driving - _____ his father __________ (drive) him to school at the moment?,

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