你好,标准可翻译为：1.It will make the milk go bad in such hot weather.
2.Be quiet in the reading room,please.
3.Little Ming seemed ill,his voice sounds so bad.
4.Our mother is strict with us and it is beneficial to us.
5.Why little Ming felt lonely was because of her quietness and shyness,and she didn`t any friends.
6.I`m so worried about the maths test tomorrow.Take it easy,you will do well.
7.What is going on on earth?
8.You can go (to)find your teacher for conversations when you are in bad mood.满意速速采纳,谢谢合作!