定语从句合并句子~1.He has two sons .They both joined the army three

1.He has two sons who both joined the army three years ago .
2.He visited the Summer Palace this summer where He went four years ago .
3.He lied to his mother which made her very angry.
4.I have many books some of which are about english.
5.He met Liu Xiang in the street the other day which made him overjoyed.

1.He has two sons who both joined the army three years ago.
2.He visited the Summer Palace this summer where he went four years ago.
3.It made her very angry that she was lied by her son.
4.I have many books, some of which are about English.
5. It made overjoyed that he met Liu Xiang in the street the other day.

1。他有两个儿子。他们三年前参军　　2。他今年夏天访问颐和园。四年前他去那里　　3。他对他母亲撒了谎。这使她很生气　　4。我有许多书。这些书一些是有关英语的知识　　5。他遇到了刘翔在大街上的一天。它使欢喜

He has two sons who were both joined the army three years ago.
he visited the Summer Palace where He went there four years ago this summer
He lied to his mother,which made her very angry
...

he has two son who had joined the army three years ago
he visited the Summer Palace where He went there four years ago this summer
He lied to his mother,which made her very angry
I have many books that Some of the books are about English
He met Liu Xiang who made him overjoyed in the street the other day