This is a white bike.改为一般疑问句My chair is orange.改为一般疑问句,肯定回答 Is that a gray pencil?否定回答These books are Miss Gao's.用Whose提问This is a new door.改为否定句That's a black cat 对a black cat提问It's brown and yellow 对brown and yellow提问

Is your chair is orange? Yes,it is.
No,it is not.
Whose books are these?
This is not a new door.
What is that?
What colour is it?

my chair is orange, it's it? Yes, it is.
no, that's not a gray pencil.
whose books?
this is not a new door.
what is the color of that cat?
is it borwn and yellow?

This is a white bike.改为一般疑问句
Is this a white bike?My chair is orange.改为一般疑问句,肯定回答
Is my chair orange?Yes,it is.
Is that a gray pencil?否定回答
No,it isn't.
These books are Miss Gao's.用Whose提问
Whose books are these?
This is a new door.改为否定句
This isn't a new door.
That's a black cat 对a black cat提问
What's that?
It's brown and yellow 对brown and yellow提问
What color is it?

1、is提前 yes，it is
2、no， it isn't
3、 Whose are these books？
4、is加not
5、What is that？
6、What color is it？