Is mum cooking?, Yes, she is. , Yes, they are., Yes, it is., My brother ____________________ his bike., are riding, is riding, am riding, The children ___________________., aren't eating, is eating, isn't eating, _________ we dancing? Yes, you are., Is, Am, Are, Is the boy swimming? , No, it isn't., No, he isn't., No, she isn't., Are they _______________ the milk on the table?, putting, puteing, puting, Dad is ______________., writeing, writting, writing, The dog ________________., aren't sleeping, 'm not sleeping, isn't slpeeping, Are Maria and I doing our homework?, Yes, they are., Yes, you are., Yes, I am., Are you and Peter playing video games?, No, we aren't., No, they aren't., No, he isn't..

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