请认真阅读下面对话，并根据各题所给首字母的提示，写出一个英语单词的完整、正确形式，使对话通顺。
M=Mary
T=Tom
M:  Hi, I'm going door to door tonight to tell people about the Student Action Union.
T:  I think I read something in the (76)n      last week.
M:  Yeah, we are trying to (77) p      and preserve some of the open spaces on campus.
T:  You are the group that's (78) a　　　　against the extension of the parking lot next to Darwin Hall,
right?
M:  That's us. We just feel it is important to save some of the (79) n      beauty of the campus.
Some of those trees are hundreds of years old.
T:  It's a pretty (80) p      . My friends and I had picnics over there by the stream.
M:  We are going to (81) o    a demonstration on Thursday afternoon.
T:  Well, I have a class on Thursday afternoon.
M:　But maybe you could (82) s    this appeal letter. We are going to hand it in to the administration
to demonstrate how the students feel about this.
T:  Sure, let me get a pen.
M:  I have a pen right here. And let me (83) l       you this little book about the Student Action
Union. Maybe you could come to some of our meetings. We get (84) t    once a month.
T:  Yeah, I'd like to know more about your group. Let me know (85) w     the next meeting is and I
will try to be there.