Ответ:
1. Do you know him? He always tell a lie.
2. What are he doing here? - He is waiting for his friend.
3. When I came yesterday, I saw that my brother was doing his lessons.
4. Where is Nick? - He is playing tennis. - He plays tennis well.
5. My wife is in her room now. She is sitting in the armchair and reading an interesting book. I want to read this book, too.
6. Where was she yesterday? - She visited her friend.
7. They played chess the whole evening.
8. What did they do the whole day last Saturday? - They spent the whole day in the country.