| 根据对话内容，在空白处填写适当的话语（话语可能是一个句子，也可能是一个短语或一个词），使对话完整。 |
| A: The spring has already come. The weather is getting warmer and warmer. More and more people like to go to the park to have a picnic. B: So they do. But after they leave, (1)_______________. A: We should do something to keep it clean. B: That sounds good. First we need to (2)_______________ some ideas. A: While we talk, I'll write down all our ideas. B: We must put up some signs to tell people (3)_______________. A: But many people don't care about what the signs say and always throw about the litter. B: (4)_______________? A: It's a good idea, but only you and me? B: OK, we each call up ten people and ask them to help pick. A: Wonderful. I'm sure our parents will take (5)_______________ in us. B: I think so. But let's have lunch first. I'm too hungry. |