is this a pen(变成陈述句)
is this a pen(变成陈述句)
Is it a pen 改为陈述句
this is a my pen
Is this a your pen?
This is a nice pen.
This is a pen.(this)are pencily
Is ()your pen?No,()isn't.it's()pen A.this.this.h
this is a red pen.and that is a green pen.(改为同义句) this is a
为什么This pen is easy to write with.可以变成This is an easy pen to
Is this a pen?(变复数句)
This is a pen.(对画线部分提问).
This a pen.that is a pen,什么