用关系代词将下列的两个短句合并成一个长句子.答对再加50.

1.Tom lost a shirt.The shirt cost him a lot of money.
Tom lost a shirt which cost him a lot of money.
2.We like to eat the fruit.Mother bought the fruit last night.
We like to eat the fruit which mother bought last night.
3.The nurse always comes to work very early.The nurse wears a white jacket.
The nurse who wears a white jacket always comes to work very early.
4.Everyone loves to read the book.Helen Jones wrote the book.
Everyone loves to read the book which was written by Helen Jones.