Tomorrow will   _____ warm in Dali.

A．Am

B．Be

C．are

改错题。
1. This are my house.
_______改为_______
2. You can make you house.
_______改为_______
3. You not come in.
_______改为______
4. I have an good idea.
_______改为______
4. I’m afraid to the dog.
________改为______

用括号里单词的适当形式填空
1. When I am ________ (do) my homework, my mother is ________ (cook).
2. He has to _________ (travel) the country in search of work.
3. How __________ (do) seeds travel?
Seeds _________ (travel) in many ways.
4. What _____ (be) they talking about?
They are _________ (talk) about the seeds of plants.

__________ you at school? (   )

A．Was

B．Is

C．Were

My mother _____ busy  (  )

A．is

B．are

C．does