想一想，将思维导图补充完整。

At school: cleans the classroom; At home: helps parents with housework, washes dishes; In the community: helps old people cross the road, takes out the trash

【解析】
我们按照思维导图的三个场景分类补充对应内容：
1. At school场景：已有内容为helps her classmates with homework，补充同场景的行为：cleans the classroom
2. At home场景：补充两个符合居家帮忙的行为：helps parents with housework、washes dishes
3. In the community场景：补充两个符合社区帮忙的行为：helps old people cross the road、takes out the trash
【答案】
At school补充：cleans the classroom；
At home补充：helps parents with housework、washes dishes；
In the community补充：helps old people cross the road、takes out the trash
【知识点】
情景短语搭配；场景分类表达
【点评】
本题结合思维导图的形式，考查不同场景下的英文行为短语积累，引导学生结合生活实际梳理对应场景的助人行为，难度适中，贴合日常英语表达的应用练习。
【难度系数】
0.7