what is this?this is a pen.哪错了?
what is this?this is a pen.哪错了?
What’s this?This is a pen.哪里错了?
what is this?—this is a pen.哪里错了
What is this 是This is a pen.还是.It is a pen?为什么?
what is this It is a pen.还是This is a pen好
改错:1.This is Kate is an old pen .2.-What is this -This is a
What is this?This is a watch哪里错了
What's this?——___.(①It's a pen.②This is pen.③This is an pen.
this is a my pen
Is this a your pen?
This is a nice pen.
what is this in English?It is a pen而不是It is a pen(英语)