几道初二英语改错句题

题目

几道初二英语改错句题
下列句子中各有一处错误,找出并改正.
1.I have bougut the piano for six yeas.
2.--Where have you gone?--I've gone to school.
3.How many pages hava you read by the end of last year?
4.While I walked in the street,I saw my teacher.
5.They have had their lunch at twelve.
6.The workers have repaired the machines just now.
7.You have waited here since two hours.
大侠们把正确的句子写下来就好啦 小女在此谢过啦

答案

1.bought改成had
2.gone bean
3.have had
4.When
5.去掉have
6.去掉have
7.since for