帮做道高一英语句子改错题

帮做道高一英语句子改错题
①I heard that Mr Hu would teach our English this term.
②I found that difficult to speak in front of so many people.
③If anyone happened to call while I am out of the office,please have them leave a message for me.
④There is so little left that I can't spare you one.
⑤I invited Bill and Tom to my birthday party but none of them came.
⑥Some people like to watch TV at home while other like to go to the cinema.
⑦It is known to all * belongs to China.
⑧My father asked Tom and I to help.
⑨If you meet jack or Tom,tell them to call me.
⑩It was me who cleaned the room this morning.