You ..................use your mobile phone in the classroom, I ………………………… my report tomorrow. My colleague will do it instead of me., You .……………………….. go to the doctor because our blood pressure's a bit high., You......smoke in any public building. It is prohibited by law., I …………… wear a uniform at work., You _________ arrive on time for an appointment or meeting. Americans are very punctial., You ______ ask my permission yesterday. You could do what you wanted., You .……………………. sit in front of TV for a long time because it's unhealthy., I …….……….. look after my younger sister when I was a teen., StudIt's optional. We ______ to go if you don't want to..

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