Переделайте предложения в косвенную речь

They said, “We don’t know where the boys go”.
“What are you doing here, boys?” asked the teacher.
“Have you done a lot of sightseeing?” asked my friend.
“Don’t take this book”, my mother told me.
He said, “I will bring you my photos tomorrow”.
Helen asked Pete, “Where did you go last holidays?”
Kate said, “I was sure he posted the letter”.
“Open your books,” said the teacher.
“Where do you live, Tom?” asked the teacher.
“I often go to museums”, said Mike.