Вставить артикли. Урок английского языка для начинающих

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

2. Could you turn off telly, please?

3. Her son has great sense of humor.

4. Is there bus stop near building?

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

6. Do you speak English at work or at school?

7. He has no coffee in his cup.

8.  English is world language.

9. Do you speak Spanish?

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