下列各句均有一处错误,请找出并改正.1.This's my English book.2.His ID number a

1.This is my English book.(This's -> This is )
2.His ID number is 12365895.( are-> is)
3.They are not in (the) same class.( same 前加the)
4.They are my friends,Tom and Jack.( friend-> friends)
5.My friend ,Tom,is in Class Four.( class- > Class)
6.Is this your orange?( 去掉a )
7.He is fourteen years old.(year-> years)
8.These are seven boxes.(boxs -> boxes)
9.Gona is a girl; and her family's name is Hand.( his -> her,另外还有几次单词打错,已改正)
10.He isn't my classmate(同学）,but he is my friend.( then-> but )
再问： 谢谢啊！