I ... you., 'm understand, understand, do understand, ... you like chocolate?, Do, Are, Is, I ... your friend., do, is, am, ... you a doctor?, Are, Do, Am, It ... very expensive!, are, is, -, How old ... you?, do, is, are, I ... for a British company., work, 'm work, do work, Where ... you live?, are, do, -, It ... late. Time for bed., -, 'm, 's, ... this man your father?, Is, Are, -

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