It's hard to keep the house clean with tree kids .为什么不用cleaning 什么时候用加ing的呢

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• It's hard to keep the house clean with tree kids .为什么不用cleaning 什么时候用加ing的呢
• It's hard to keep the house clean with tree kids .为什么不用cleaning 什么时候用加ing的呢
• It's hard to keep the house （d）with three kids around a cleaning b to clean c cleaned d clean b or
• It's hard for a family with three kids to keep the house( )A.clean B.to clean C.cleaned D.cleaning