7．根据要求完成小作文，词数；约30词。
建设美丽中国，美丽家乡，人人有责。作为中学生，我们怎样做才能使我们的校园更美丽呢？请写出3-5条建议。（开头已给出，不计入总词数）
It’s our duty to make our school beautiful. Here’re some suggestions.
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【答案】
It’s our duty to make our school beautiful. Here’re some suggestions.
We should/can/could/may/might/will/are going to/are supposed to
1. clean our windows /chairs/desks/classroom(s)/hallways/schools (every day).
2. keep our windows /chairs/desks/classroom(s)/hallways/schools clean.
3. sweep the floor/take out the trash/pick up litter/water the flowers and trees.
4. fix up broken chairs/desks and so on.
5. turn off the light(s)/tap(s).
6. protect the environment around our school.
We shouldn’t/can’t/won’t/aren’t supposed to/aren’t allowed to/mustn’t
1. drop litter.
2. make a noise in public places.
3. waste food/water/electricity/school things/paper.
【解析】
这篇短文是提出几条建议，所以句子大多用了祈使句。文中的固定句式和短语，如Here’re some suggestions.，be supposed to，keep sth. + adj.，and so on等，为文章增色不少，是本文的亮点。