这几个有错的句子错在哪里?为什么错?应该怎么改?1.It is ten years

这几个有错的句子错在哪里?为什么错?应该怎么改?1.It is ten years
这几个有错的句子错在哪里?为什么错?应该怎么改?
1.It is ten years that Miss Green returned to Canada
2.It was in the street where I met him yesterday
3.It is the third time that he failed the driving test
4.When was it he changed his mind to take part in the activity
5.It is no use to cry over spilt milk
6.It is of much importance that you apologized to her for your rudeness
7.The chairman thought this necessary to invite Professor Smith to speak at the meeting
8.As is known to all that the island has been Chinese territory since ancient times
9.It will be quite a long time that she is back again,so do not be cross with her .