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    34．People should avoid staying overnight in the open air in places mosquitoes gather and take protective measures． A．whose B．which C．when D．where 【查看更多】

     

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    People should avoid staying overnight in the open air in places ________ mosquitoes gather and take protective measures.

    A．whose　 　　　　　　 B．which

    C．when 　　　　　 D．where

     

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