是It isn't a pen.还是It's not a pen.
是It isn't a pen.还是It's not a pen.
it isn't your pen,is it?A Yes,it's not mine B No,it's my fri
It ()a pencil.It's a pen.A.is B.no C.not D.isn't
Is it a pen?否定回答用No,it's not.和No,it isn't.哪个对
Is ()your pen?No,()isn't.it's()pen A.this.this.h
it is a pen ,isn't it ? ____ ,it is pen
It isn't ()(he) pen,it's ()(she)
23.This pen looks like mine,yet it isn't.Whose it be?A.must
it is a pen?
It's a pen改成否定句
-____ ____?-It`s a black pen
What is this 是This is a pen.还是.It is a pen?为什么?