This a red pen.针对a red pen 怎样提问（也就是对划线部分提问）错了，是This is a red pen.

This a red pen.针对a red pen 怎样提问（也就是对划线部分提问）错了，是This is a red pen. this is red a pen的提问 This's a red pen怎么改错? is,a,this,pen,red,连词成句 this is a red pen怎样改为一般疑问句 this is a red pen同义句转换 This is a pen. The pen is a red 怎么改正确在线等 this is a red pen.and that is a green pen.（改为同义句） this is a red pen.and that is a___ ___. what color is this pen的回答可不可以是It's a red pen Do you like ___?A.a red pen B.red pen C.the red pen Give me that pen._____ on the desk.A:The red pen B:A red pen C:Red pen I don't like this color,I want to b___ a red pen. That is her a red pen.改错 this is a my pen This is a nice pen. This is Peter's pen and that is ( )pencil,( )a red pencil.(he) 用适当形式填空 This is a pen.(this)are pencily Look This is a pen and it's red .The ruler is yellow.The key is white and the red jacket is BOb's