Look, the Browns collecting shells. (  )

A．is

B．am

C．are

We are holiday. (  )

A．in

B．on

C．at

---Are you talking with your friends? (  )
--- We are talking about the book.

A．Sorry, I don't know.

B．Yes, we are.

C．No, we aren't

I'm hot I want to swim in the . (  )

A．zoo

B．school

C．sea

---I'm going to Beijing on holiday. (  )
--- .

A．Have a good time.

B．Thank you.

C．You're welcome.

用所给词的适当形式填空。
【小题1】---What are you doing, Sam?
---I’m________(read) a book.
【小题2】---Mum, where is Dad?
---He is________(have) breakfast in the living room.
【小题3】Peter and Paul are________(watch)TV with their grandma.
【小题4】Who is________(swim)?
【小题5】Peter is________(write)a letter to his friend.