问题描述：
用which,who,whom合并下列句子
1.The book is very interesting .I`m reading the book.
2.I`ve lost the umbrella.I bought the umbrella.
3.I passed the exams.The exams were not very difficult.
4.the young man is a doctor.We just saw the young man.
5.At last I met the man .I had heard so much about the man.
6This is the car .I`ve just bought it.
7This is the girl.The girl found your money.
1.The book is very interesting .I`m reading the book.
2.I`ve lost the umbrella.I bought the umbrella.
3.I passed the exams.The exams were not very difficult.
4.the young man is a doctor.We just saw the young man.
5.At last I met the man .I had heard so much about the man.
6This is the car .I`ve just bought it.
7This is the girl.The girl found your money.
问题解答：
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