For the sake of your health,you should give up smoking__．

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For the sake of your health,you should give up smoking__．

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This kind of air-conditioning system is practical and economical for the needs of your company.(2.0)

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单选题

Thank you for your recent order. Although most of your items have ____ shipped, the Full-Spectrum Desk Lamp （model B07） is temporarily out of stock.

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We are satisfied with the terms of this contract for the most part, but we feel that your terms of payment are too severe.(2.0)

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单选题

( ) is the boarding time for your flight?

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