1) You can sing well, can't you?
2) He doesn't study English, does he?
3) They worked a lot, didn't they?
4) She hasn't done the homework yet, has she?
5) You live in Moscow, don't you?
6) They have already met him, haven't they?
7) He didn't read this book, did he?
8) She could play the piano, couldn't she?
9) You aren't a manager, are you?
10) She is a teacher, isn't she?