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1.It is important for everyone to learn English well in our rapidly developing world.
在这个迅速发展的世界里，对每个人来说，学好英语是非常重要的。
同样句型包括：It is important/（necessary, difficult, convenient, possible）for sb. to do sth.
2. The harder you work at it, the more progress you will make. 你工作越努力，你取得的进步就越大。 (1)The 比较级..., the 比较级... (2)比较级 and 比较级（The world is getting smaller and smaller.）
3. If everyone makes a contribution to protecting the environment, the world will bee much more beautiful. 如果每个人都为保护环境做出贡献，世界会变得更加美好。 类似的句型还有：If necessary…, they can…
