Вставить артикли. Урок английского языка для начинающих

1. "Are you busy at moment?" "No." "Then let's have talk, okay?" "Yes, let's."

2. " catalogue's small, but useful." "Yes, it's useful catalogue."

3. This is letter from old friend. He's got very difficult surname.

4. This is very difficult question. I don't know answer to it.

5. We don't go to school on Sunday.

6.  lamp is on table.

7. Is lamp on table?

8. Do you speak Spanish?

9. There is book and pen on my writing desk.

10. David is best student in out class.