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11．This kind of food cool.clean and dry according to the instruction．A．should be carried B．must be put C．should be placed D．must be kept 【查看更多】

 

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This kind of food ______ in a cool，clean and dry place according to the instruction．

　　A．should be carried　　

　　B．must be put

　　C．should be placed

　　D．must be kept

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