It's used for testing for the p___ of the water

what's for it used --What’s it used for?--It’s used for________.--What’s it used for?--It’s used for________.A.cook B.seen C.cooked D.to cook what's for it used连词成句 It's used for _____ _____ _____(探索太空） 尺子可以用来干什么用英语说what's it used for?It's used for _____(要回答）- -||| 英语翻译What's it used for?It's _____ _____ _____ metal What is it used for? It's used for testing for the p___ of the water What's the machine used _____ It's used to ____ disabled people.What's the machine used _____ It's used to ____ disabled people.A.to,help B.for,help C.to,helping What is the Chinese for disher?It's used to dispense ice cream. it's used for type in information.type要怎么改吗吗 It's used for k____off rain,like an umbrella.请问画线处填什么 It's used for v.ing.那请问为什么后面的动词要加ing呢？ It‘s necessary that.(中文意思） get/be used to doing sth.(同上） be used for be used to do sth __what duo you call this in English?___It's a stamp .It's used _____sending letters.( 为什么这里要用FOR .不用TO.)sth be used to doing 也指被用来做=be used for It is used for writing with.这句话一定要带with么?A: What's this in English?B: It's a piece of paper.A: What is it used for?B: It's used for writing with.可以说明一下原因么？ Excuse may i ask you some questions? Certainly,(what) are they? What's this clock made ? Metal.What's it (use for)?It's used for the ?(Where) is it made?I think it's made (from) Beijing.What this radio?It's used for sending and 英语翻译be used as.be used by.be used for.It's+形+（for sb）+to dosh每个造1个句子,共四个,还有要翻译,