I need a pen to write 和 I need a pen to write with那句对? 为什麽?

I need a pen to write 和 I need a pen to write with那句对?为什麽? I need a pen to write 和 I need a pen to write with那句对? 为什麽? I need a chair to sit on.I need a pen to write with. I need a pen _______A.to write B.to write with C.writing D.w I need a pen to write down the address A pen OK,I 'll get___ i have a pen to write还是/write with I need a pen and some paper.I want to ____ a letter.A:write. I use a pen to write.还是I use a pen to write with.为什么? The pen doesn't work.I need to buy a new one to write ____.A 几个初中英语题.急!1.-Do you need a pen to write ( )? -No,I ( ).A.on; Do you have any pens?I need a pen to write _______ 我知道要用with I need a pen to write with.with一类的介词有时在句末,有时又没有,这是什么语法?