Ⅰ.单句改错
1．As is known that America is one of the developed countries.__As→It__
2．I would appreciate that if you could give me a hand.__that→it__
3．It is impolite for you to talk loudly in public places.__for→of__
4．It is very important of you to come to the party.__of→for__
5．I am counting on that you will come.__在on后加it__
6．What is said that our headmaster will go to New York next week.__What→It__
7．That is reported that AC Milan's owner has been under negotiation with Chinese investors.__That→It__
8．We find its impossible to count whales in the sea.__its→it__
