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1. not / in the corridor / run

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2. not / smoke !

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3. eat / classroom / not / in / the !

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4. use / mobile phone / not / during the lesson !

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5. talk / not / during / the lesson !

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6. hand / raise / your / to ask a question !

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7. be / classmates / to / friendly / your !

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8. be / in the library / silent !