比疫情更可怕的是人类英语，因为疫情比较严重英语

C at risk at risk 再用于说 when you are in dangered froma disease 的时候 是一个固定搭配 B是不正确的 说病的时候 没有 in risk 这种说法

人类所造成的灾难比自然灾害更可怕

the greatest person

The world, english is the main tool to municate, and learning english is the key to develop and improve and books.

46 million years ago, a blue plain was born in the universe , she was so beautiful 。 although she power, but not daring, because her youngest child human, very 。

human，既是名词又是形容词

一个自我主义的人会觉得他生来就应该在这个世上。