Пожалуйста переведите в косвенную речь

1.Mr Grey: “What foreign languages does the man speak, Paul?”
2.Fireman: “Who has saved the child?”
3.Teacher: “How high is this hill?”
4.Teacher: “Why are some animals in danger?”

5.Teacher: “What does the life on the earth depend on?”
6.Olga: “What is the national emblem of Wales, Dad?”
7.Mary: “What colour can primroses be?”
8.Ann: “How does the hawthorn grow?”

9.Mother: “Whom does this thing belong to?”
10.Tom: “Why was the start of the game delayed, Pete?”
11.Teacher: “What do you know about the Royal family, Jim?”
12.Kitty: “When did you see this dull film, John?”