改写下面句子成为被动语态,把打括号的部分省略.

改写下面句子成为被动语态,把打括号的部分省略.
1.[People] keep all the books in good order in the library.
2.The federal povernment graduated the income tax from 14 to 70 percent in the [1960s].
3.[The advertising] can sometimes persuade us to buy things that are not necessary.
4.What should [one] do in a case like this?
5.[They] have annouced that they will invite only three of us to the party the library.
6.[We] shall put off the meeting till next day.
7.[They] do not allow you to smoke in the laboratory.
8.[We] must deal with the problem without any delay.