题目内容：

补全对话

根据对话内容，在空白处写出恰当的句子，使对话意思连贯完整。所写句子应与所给的标点符号一致。（共5个句子，每句1分，满分5分）

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:       1.               . I’ll do it from now on. What’s next?

A:  Well,      2.    ?

B:  Yes, I can. I ride a bike to school every day.

A:  So second, ride a bike or 3.       . The traffic is too heavy.

B:  I think so. What else?

A:  Third, you can save water.

B:   4.     ?

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:     5.