考研英语二的结尾写作可以采用以下几种句式：
表达希望或建议
It is hoped that we should place much emphasis on/pay more attention to…
It is essential that effective actions should be taken to end the situation.
提出问题或强调重要性
only in this way/only…
But both…and…have disadvantages.
使用虚拟语气
Obviously, it is high time that we took some measures to solve the problem.
总结观点
To sum up, we should…
In conclusion, it is crucial to…
提出建议或呼吁
It is recommended that…
We should…
结尾句的写作应该简洁明了，同时能够有效地总结前面的观点或提出建议。希望这些句式能够帮助你完成考研英语二的结尾写作