求形式主语翻译

1. It happens that I have read the magazine.
2. It was a pity that he failed to graduate from Shanghai University with good grades.
3. It's no use crying over split milk.
4. It is decided where the conference will be held
5. It is predicted that an earthquake will happen in the north west of China.
6. it is know to all that Arturo Toscanini is deemed as the greatest conductor of the 21st century.
7. It is no wonder the teacher let him go without punishment.
8. it remains to be seen whether the who band can meet his demands.