The pen is good to write为什么要加with

This is( )good pen ( )color of theWis biack The pen is good to write为什么要加with This pen is good to ________with.(写) The pen is good to write(要加介词with吗?) This is his pen,The pen b___ to him look,lingling is w()a letter to her pen pai she is on her w to the park then she t out a pen and some papershe is on her （w单词 ）to the park（分开的） then she （t单词） out a pen and some paper pen, good, and, the,is, cheap 连词成句 This is a good w( ) to help the people in trouble 读句子,选择am,is或are填空.The black camera < > mineHow old < > you?I < > going to go to the airportIts name < > mimiwe< > good pen friends the ball is good to .This is _____ as the one you bought yesterday.This is _____ as the one you bought yesterday.A.such a good pen B.as a good pen C.so a good pen D.as good a pe 如何判断动词不定式在句子中的语法功能比如The pen is not good to write with.这句中的to write with 是pen的补语还是宾语 为什么?但是这个好像也是宾语吧 i think the pen is easy to write是否正确, The pen is the yuan. My pen friend pften w--- --- to me The zoo is good( )to have fun The woman is not good to bully