英语作文的结尾部分应该简洁有力，能够总结全文并给读者留下深刻印象。以下是一些常用的英语作文结尾句子：

展望未来

In the future, it is hopeful that more efforts will be put into...

Looking ahead, we can expect greater advancements in...

强调社会责任

It is our responsibility to ensure that...

Only through collective actions, can we hope to achieve a better...

引用名言

As Einstein once said, 'Strive not to be a success, but rather to be of value.' This perfectly encapsulates...

总结观点

In conclusion, it is evident that...

To sum up, we can draw the conclusion that...

呼应开头

For example, in the opening paragraph, we discussed the importance of environmental protection. Therefore, it is crucial that we take immediate action to safeguard our planet.

社会现象总结

Nowadays, it is common to hear/see...

With the advance of the society more and more problems are brought to our attention, one of which is that....

提出建议

To address the issue at hand, it is imperative that we implement effective strategies to...

表达信念

Personally, I firmly believe that...

选择合适的结尾句子时，考虑文章的主题和目的，确保结尾能够强化文章的中心思想，并给读者留下积极的印象。