Fakemilkpowder_____causedthedeaths

发布时间：2020-07-26 11:26:40

Fake milk powder _____ caused the deaths of many babies, while food poisoning _____ an increasing problem in both cities and the country side.A.have; isB.have; areC.has; isD.has; are

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C解析考查主谓一致性。
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