找出错误并改正
问题描述：
找出错误并改正
1.i have brought the piano for six years.2.-where have you gone?-I've gone to school.3.how many pages have read by the end of last year?4.whine i walked in the street,i saw my teach.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.8.she siad she had forgot to do her homework.9.his grangpa is over seventy,but he is still at good health.
答
（问下,1题的brought是不是打错了?原文应该是bought吧?）1.I have had the piano for six years.原因：bought是瞬间动词,不可以与时间段连用,应换成had.2.-where have you been?-I've been to school.原因:been和gon...