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8.You can't wash this dress.

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9.You should open the wine about 3 hours before you use it.

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10.Members may keep books for 3 weeks.

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11.Passengers shouldn't throw away their tickets as inspectors may check them during the journey.

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12.You mustn't move this man; he's too ill.

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13. They ought to have reported the accident to the police.

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14. You must dry-clean it.

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15. After that they must return them.

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16. You'll have to leave him here.

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