for,use,we,what,glass,do 连词成句

What do we use these.for We use it for.造个句子是句型 what do we use water for 是否还要加doingwhat do we use water for or:what do we use water for doing for,use,we,what,glass,do 连词成句 what often use water for do we连词成句 英语翻译What sports do we use this equipment for? what can we use water to还是for what do we use it for?we use it to study English.答语中能可以改成 we use it for studying English吗? What do we use adjectives for?where can we put adjectives?翻译并回答 What do you use it for?We use it to study English.后一句中为什么是use to,而不是use for studing...后半句中可以把 to study ..换成use for studing吗? what-------we use these thing for(do,are)顺便翻译一下 What can we use the computer for?（保持愿意） What's the ____ ____ the computer （ ）what can we use a ladder______?A.to doing B.for C.do D.for to do what do we use the computer( )介词 We use pens for ____ (write) we use knives for cutting things. We use its fur for wool, 翻译：We use computers for learning purposes we use straws for making lamps.we use straws for making lamps.we use straws _____ _______ lamps