Question

英语句子改错

下面各句有一处错误,请找出错处并改正(语法错误)
1.I'm sorry I can't go in because I lost the key to the door.
2.Last year I have visited the Great Wall.
3.Have you had your medicine two hours ago?
4.Xiao Lin left his home for two months.
5.The writer's mother has died since he was seven years old.
6.How long have you joined the school football team?
7.I haven't heard a letter from my penfriend for a few months.
8.They have waited there for one and a half hours ago.
9.Where have you gone,Xiao Ming?Someone called you just now.
10.Sorry,I haven't seen the notice this morning,so I was late.

Answer 1

1.I'm sorry I can't go in because I have lost the key to the door.
2.Last year I visited the Great Wall.
3.Did you have your medicine two hours ago?
4.Xiao Lin has been away from his home for two months.
5.The writer's mother has been dead since he was seven years old.
6.How long have you been in the school football team?
7.I haven't heard from my penfriend for a few months.
8.They have waited there for one and a half hours .
9.Where have you been ,Xiao Ming?Someone called you just now.
10.Sorry,I didn't see the notice this morning,so I was late.

Answer 2

1 I 后加have
2 去掉have
3 ago改成 before
4left前加have
5 去掉have
6joined后加in
7 heard 改为received
8ago去掉
9gone改为been
10haven't 改为hadn;t