根据例句改写下列句子例:This is a book.(what)What is this1.This is a des

This is a desk.(what) ( What is this )
2.I can see some birds in the tree.(what) ( What can you see in the tree?)
3.The book is on the desk.(where) ( Where is the book?)
4.She is my English teacher.(who) ( Who is she )
5.He is the.(How old) ( How old is he )

1.What is this
2.what can you see in the tree
3.where is the book
4.who is she
5。how old is he

what is this?
what can i see in the tree
where is the book
who is my english teacher
how old is he

1. What is this?
2. What can you see?
3. Where is the book?
4. Who is she?
5. How old is he?