用正确的关系代词填空

问题描述:

用正确的关系代词填空
1.Is this the article is written by Mr Fang?
2.I will never forget the day on I met her for the first time.
\x053.Who will help them are in trouble now?
\x054.I think I can understand all of those you did.

1.Is this the articlewhichis written by Mr Fang?
2.I will never forget the day onwhichI met her for the first time.
3.Who will help them whoare in trouble now?
4.I think I can understand all of thosethatyou did.