用who,whom或 which把以下每对句子改写成一句话

题目

用who,whom或 which把以下每对句子改写成一句话
例句：1.She is the girl.She met me yesterday.
She is the girl who met me yesterday.
2.This is the book.I bought yesterday.
This is the book which I bought yesterday.
3.She is the girl.I met her yesterday.
She is the girl who(or whom) I met yesterday.
1.This is the car. the mechanic repaired it yesterday.
2.He is the man.I invited him to the party.
3.These are the things. I bought them yesterday.
4.He is the man. He came here lastweek.
5.He is the policeman.He caught the thieves.
6.She is the woman. I met her yesterday.
7.She is the nurse. She lookedafter me.
8.I am the person. I wrote to you.

答案

1.This is the car which the mechanic repaired yesterday.
2..He is the man whom I invited to the party.
3..These are the things which I bought yesterday.
4..He is the man who came here last week.
5..He is the policeman who caught the thieves.
6.She is the woman whom I met yesterday.
7.She is the nurse who looked after me.
8..I am the person who wrote to you.