the pen ____ I wrote the letter was lost.句中为什么是with which呢?which 和that不行吗?为啥呢?

the pen ____ I wrote the letter was lost.句中为什么是with which呢?which 和that不行吗?为啥呢? What about the pen you bought yesterday?It ____(write)well.I like it very much.为什么不填wrote?请说明理由、 i want to find the very pen _____which i wrote that letter 填什么介词 为什么 I wrote a letter with a pen. Do you like the new pen?--- Yes,it ____ smoothly.a、is written b、is writing c、writesd、wrote 判断：I have a pen.____ I have pen.____ I bought a new pen yesterday and it ____ (write) well.老师说是writes,可我觉得是wrote,哪个对,为什么? ____,I don'tlike the book she wrote.为什么空处填To tell the truth,而不是Telling the truth I wrote the letter __ Frnch __ my new pen.A:in,with B:to,of 选哪个?选哪个.为什么, Have you seen ____ pen.I left it yestoday.A.a B.Have you seen ____ pen.I left it yestoday.A.a B.an C.the D./ What about the pen you bought yesterday?It ____(write)well.I like it very much. 为什么i have the same pen as ____ 要填you啊 i have the same pen as ____ (是填you 还是yours) i have the same pen as ____(是填you 还是yours) I use a ____ to open the door.A.card B.key C.pen 请问I am the person who wrote 英语翻译I looked ____ ____ for my pen. This pen is mine 保持原句意思 The pen ____ ____ me.This pen is mine 保持原句意思The pen ____ ____ me.