请用所给单词连词成句。
1. often, We, on, Chinese, classes, have, Monday (.)
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2. gets,7: 30, usually, My, up, sister, at (.)
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3. on, for, Tuesdays, lunch, What, you, do, have (?)
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4. goes, Peter, every, to, day, school, 7: 00, at (.)
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