We use pens for ____ (write)

We use pens for ____ (write) we use pens to write被动句 we ofen use pens _____(write) We write ____ our pens.A.to B.on C.for Please take your red ball pens ____ ____ your pencil case.We will use them.Fill in the blanks with the correct prepositions. We use cotton for making clothes.(同义句转换） Clothes ____ ____ ____ cotton by us. Could you ____(lend) me your pens please?Sorry,I ____(use) is now. we use water for watering plants = water ____ ____for watering plants we can use the flash disk for ____(store) information快.填什么. What can we use the computer for?（保持愿意） What's the ____ ____ the computer We don't write e-mail use pens.哪边错了, How many pens can he buy _____the money.A.for B.with C .use D.on 被动语态 We saw him work last night We use pens to write1.We saw him work last night 2.We use pens to write第2个需要两个 we use knives for cutting things. We use its fur for wool, 翻译：We use computers for learning purposes ...好的追加50分The director has said that under no circumstances ____ the office computers for personal affairs.A.did we use B.may we useC.we may use D.we could useABCD为什么对（或错）? we use straws for making lamps.we use straws for making lamps.we use straws _____ _______ lamps