i think the pen is easy to write是否正确,请检查一下为什么,

i think the pen is easy to write是否正确,请检查一下为什么, i think the pen is easy to write是否正确, I think the pet is easy to write.改错. 为什么This pen is easy to write with.可以变成This is an easy pen to The pen is good to write为什么要加with 请帮忙检查是否正确,①mary think that to practice the plan alone is dif I use a pen to write.还是I use a pen to write with.为什么? The old pen is broken,I'd like ____ one to write with A.the 非谓语This pen is easy ______ A.to write with B.to write C.to b i think this question easy to answer.是不是正确? I use the pen ________a letter?填什么?to write 请老师检查一下题目解答是否正确