A. You must have a good time.
B. You helped clean up the city park.
C. It's a mixture of fun and work.
D. Some picked up the waste paper and plastic bags.
E. You helped cheer up sick people.
F. I went to play in the park.
G. I hope more and more people protect our environment.
Ting Ting: How was your weekend?
Xiu Xie: (1)             
Ting Ting: What did you do over the weekend?
Xiu Xie: I went to the People's Park on Saturday morning with some of my classmates.
Ting Ting: Oh. (2)             
Xiu Xie: Not really. When we went into the park, we saw rubbish everywhere. It was very dirty.
Ting Ting: It's true that some travelers littered about. Then what did you do?
Xiu Xie: We began to clean the park. (3)              Some swept the ground…About an hour later, we cleaned up 
             the park. We were happy though a little tired.
Ting Ting: (4)              People will thank you.
Xiu Xie: Yeah. When we were cleaning the park, some volunteers came, (5)              We should regard our
                      city as our home.
Ting Ting: Then our city will become more and more beautiful.