They are ну в третем предложении когда не один предмет а много то в данном случае перед they будет стоять are
1. live
2. much
3. is
4. living
5. travels
6. go
7. 're
8. going
9. don't
10. a lot of
1. a lot of
2. much
3. a lot of
4. many
5. much
6. many
1) Their
2) her
3) your
4) her
5) mine
6) ours
7) my
8) his
9) her
10) his