Поставьте правильную форму глагола to be . Помогите пожалуйста

1) They ...reading.
2)There ...two rooms in the flat.

3)She ...a teacher.

4)The baby ...sleeping now.

5)I ...writing a letter now.

6)There ...no mistakes in my test.

7)The weather ...fine today.

... she watching tv now?

9)... there a clock on the table?

10)You ...a clever student...