急急急急急急急急急急急急急急急急急急急急急急急急急！！一道英语题！！1

I'd like I would like
they're They are
aren't are not
let's Let us
you're you are
can't can not
I've got I have got
All right alright
This is a small peach. These are small peaches
Is that a bus?Yes it is . Are those buses? Yes, they are.
what ia that ?It's a pencil box. What are they? These are pencil boxes
以上句子改成复数句子。
以下句子改成一变四：
These are pens. This is pen.That is pen. Those are pens They are pens
They're books. This is book. That is book. These are books. Those are books.
虽然没分，但是有我们这样的好心人^_^ PS, 阿姨是给儿子做家庭作业吗？如果是，您就伟大了，这题应该让儿子自己琢磨一下啦。

I'd like =I would like.
they're=they are
aren't =are not
let's =let us
you're =you are
can't =can not
I've got=I have got

This is a small peach. →They are small peaches.

what ia that ?It's a pencil box. →What are they?