I w( ) with a pen

I w( ) with a pen I wrote a letter with a pen. I use a pen to write.还是I use a pen to write with.为什么? write with a pen I write with a pen对a pen提问 ___ ___ you ___ ___ I often write to my pen pal with a _____ A:pen B:from C:how i have a pen to write还是/write with I need a pen to write 和 I need a pen to write with那句对?为什麽? I want to borrow a pen ____ to write with 为什么要用with （I have a pen to write with）句中 为什么加 with I have a pen to write with.后边为什么要加个with?有什么规律? I have no pen ______ .May I borrow yours?A.to write B.to write with I write with a pen.(对划线部分提问） _____I write with (a pen).对划线部分提问_____ ____you_____? I need a pen palChinese people,with your name and address I didn't have a pen to write with so she gave____to me I‘d like a pen to write 还是to write with 为什么RT I don't take any____ with me A、book B、monkey C、cake D、pen I need a pen to write 和 I need a pen to write with那句对? 为什麽?说说原因