this is a pen改成一般疑问句
this is a pen改成一般疑问句
this is pen?怎么改成一般疑问句
that is a pen.改成一般疑问句
This is a pen.改为一般疑问句
This is a phone改成一般疑问句
初一英语改成一般疑问句This is a pen.Those are my English books.作否定回答Is
My is black pen改成一般疑问句?
this is a red pen怎样改为一般疑问句
this is my pen.改一般疑问句
This pen is mine.改成否定句,一般疑问句,肯定回答,否定回答
This is his pen 改成一般疑问句 并做出肯定和否定两种回答
This is a pen.(改为一般疑问句)_____ _____a pen