Помогите перевести предложения
1.It was the first time the bureau had classified zero population growth.
2.One must know these facts.
3.There are a great number of goods that can be transported by air.
4.Give me that book please.
5.Не asked for the letter to be sent off at once.
6.The population is likely to rise by about a third.
7.I don’t know him well enough to ask him for help.
8.I have no one to whom to speak on this question.
Знаю примерные ответы, но хотелось бы быть точнее.