根据语境，用恰当的语言完成对话。
(Jim is talking with Kangkang about English learning.)
J-Jim K-Kangkang
J: Hello, Kangkang. (87) ___________________________________
K: I am reading a report about the droughts in the southwest of China.
It's said all the living things there are short of water now.
J: (88) ________________________________
K: Me, too. Our environment is getting worse.
J: I think so. (89) _________________________________
K: We should plant more trees and prevent people cutting down too many trees.
J: And what's more, (90) ________________________________
Because water is important too people, animals and plants.
K: You're right. Our school has set up a "Greener School" group.
(91) _______________________________
J: I'd love to. Let's do something useful from now on.
K: Great!