this is a pen.是一般现实句吗?
This is a pen.改为一般疑问句
this is a pen改成一般疑问句
this is a pen.改为复数句
my friend is guo peng一般疑问,lt is my friend复数句,this is a pen i
this is a red pen怎样改为一般疑问句
This is a pen改为否定句,改为单复数转换改为一般疑问句或提问,肯定句做回答.
that is my pen 改为否定句 this is my pen 改为 一般疑问句 this is your pe
What is this 是This is a pen.还是.It is a pen?为什么?
This is a pen.(改为一般疑问句)_____ _____a pen
Is this a pen?(变复数句)
is,a,this,pen,red,连词成句
This is a pen变为复数句,怎么变