--- Look at ______ book on the desk . Is it ______ useful one ?---Yes, it is . In the book there is much advice on how to learn math well.
While heTV in the sitting room, the bell.
Ithe news to him as soon as heback tomorrow.
It’s very important to eat healthy food, ______ you don’t like it.
We know the boy _______ father works in the police station.
This is the topic _______ we are talking about now.