1.you are busy now, ..2.you were born in moscow, ..3. there aren't many people in the library now, ..4. he couldn't go there, ..5. you haven't heard from your friend for a long time, ..6. she knows you, ..7. you'll be back home early today, ..8. he has read a lot of english books already, ..9. you didn't see your friend yesterday, ..10. you've spent a lot time on it, ..11. that's all you've got to say, ..

1.You are busy now, aren't you..
2.You were born in Moscow, .weren't you?.
3. There aren't many people in the library now, are there?..
4. He couldn't go there, could he?..
5. You haven't heard from your friend for a long time, .have you?.
6. She knows you, .doesn't she.?
7. You'll be back home early today, .won't you?.
8. He has read a lot of English books already, hasn't he?..
9. You didn't see your friend yesterday, did you.?.
10. You've spent a lot time on it, .haven't you?.
11. That's all you've got to say, haven't you?..