agree / do /don’t / don’t / isn’t / it / nor / so / too

A: This is a great film, 0 isn’t it?
B: Yes, 1 is.
A: I think schools should have an environment day. Don’t you think 2?
B: No, I 3 .
A: I think we should start recycling, 4 you?
B: Yes, I think so 5 .
A: Pollution here is really bad. Don’t you 6 ?
B: Yes, I 7 .
A: I don’t think cars should drive so fast near our school.
B: 8 do I.