请把下面的几句话翻译成英文,谢谢!

1.Prices are expected to soar.
2.People are worried that the plane has fallen somewhere offshore.
3.It is said that the child has been kidnapped.
4.Rumour has it that he leaked the confidential information to the rival firm.
5.Generally,the program is considered to be unfeasible.
6.Any suggestions and comments are sincerely welcome.
7.Regarding this project,we have talked much but done a little.
8.You are cordially invited to attend the ceremony.
9.The criminal suspect was found not guilty,because the lawyer could not find evidence proving that he had committed an offence.