把下列句子合并成含有定语从句的复合句.

把下列句子合并成含有定语从句的复合句.
1.Do you know the man The man is reading a book over there.
Do you know the man(
2.The girl is Jim's sister.We saw the girl yesterday.
The girl( )is Jim's sister.
3.The film was very popular.They saw the film last night.
The film( )was very popular.
4.Miss Chen is the person.You should ask Miss Chen.
Miss Chen is the person( ).
5.Have you seen the key The key can open the door.
Have you seen the key(