1．
根据对话内容，在横线上填写适当的句子补全对话。
A: Hi, Alice.
Would you like to help save the environment?
B: I'd love
to. But I don't know how to do it.
A: First, you
can start by turning off the lights.
B: . I'll do it from now on. What's
next?
A: Well. ?
B: Yes, I
can. I ride a bike to school every day.
A: So
second, ride a bike or walk, .
The traffic is too heavy.
B: I think
so. What else?
A: Third, you
can save water.
B: ?
A: That's
easy. Turn off the shower when you're not using it.
B: You are
an environmental protector. I'll learn from you! Thanks a lot.
A: .
