汉译英：根据汉语提示完成下列各个句子

1.(【译】As is known to all 众所周知),China is a large country with a large population.
2.(【译】The weather was so cold 天气如此冷) that he stayed at home all day.
3.(【译】Whenever he comes 无论他何时来),he will bring something unexpected.
4.(【译】There was not enough space 没有剩下足够的空间）for the people who came here.
5.We should (pay great attention to 【译】非常重视）the development of economy.
（PS：ls的真是位热心人啊,不过太急了点,cold错拼成了could,attention错拼成了attition；come得改为comes,请更正）