We must keep our country_______. A.cleaning B.clean C.to clean D.cleaned

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• 41.You must remember ____ some fish for supper this afternoon.A.buy B.buying C.buys D.to buy42.I'm hungry._____ me some food ______ lunch.A.Take,at B.Bring,for C.Take,for D.Bring,to43.How did Li Feng make the baby ______.A.stop crying B.stop to cry C.to stop crying D.stopping cry44.We must _____ our classroom clean.A.help B.keep C.let D.call45.We'll have to clean the plates before Mother _____ home.A.came B.comes C.will come D.coming46.Her friend is _
• We must keep our country_______. A.cleaning B.clean C.to clean D.cleaned
• We must keep our country_______. A.cleaning B.clean C.to clean D.cleaned
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• 甲,乙两车的速度比是5:4,两车同时从甲乙两地相对出发,在距中点12千米处相遇,两地相距多少千米?