what is this It is a pen.还是This is a pen好
what is this It is a pen.还是This is a pen好
What is this 是This is a pen.还是.It is a pen?为什么?
what is this in English?It is a pen而不是It is a pen(英语)
what is that in English?是It is a pen还是This si a pen还是That is
What's this?——___.(①It's a pen.②This is pen.③This is an pen.
what is this ?It is a pen而不是It is pen.但为什么what's this? It's
what is this?this is a pen.哪错了?
this is a my pen
Is this a your pen?
This is a nice pen.
what color is this pen的回答可不可以是It's a red pen
what's_?__a pen ?a 、this;this is b 、this;it's c 、 that;that'