this kind knife is cutting metal a.used for b.used to c.used

this kind knife is cutting metal a.used for b.used to c.used This kind of machine is used ____ metals.A.to cutting B.for A cup ( )drinking tea A used for B is used to C is used for It ____ this way.A.used to do B.used to be done C.is used to this kind of machine is used for cutting paper 改为同意句 This box is used _______ a suitcase.A.by B as C for D to Knives are used for cutting things.为什么不能用Knife? 英语句型转换1.He used a knife for cutting things.(改为同义句)He ______ He____live in London for ten years.A.used to B.used not to C Polly(.)in Guangzhou.A.used to living.B,is used to live C,is 3.A coat can_____ for keeping warm.A.be used B.is used C.bee my father -----smoke a lot.lt is bad . a.used for b.used to