改同义句.1）The book is about animals.I like reading it a lot.I l

改同义句.
1）
The book is about animals.I like reading it a lot.
I like reading the book _____ animals.
2）
We should thank the doctor.He has saved our son.
We should thank the doctor ________ our son.
3）
She was grateful to the boy who lent her some money.
She _________ the boy _________ her some money.