Преобразоаать прямую речь в косвенную , 20 ​

7. Преобразуйте прямую речь в косвенную.

a. John asked his sister: Do you know these people?"

b. The policeman says to the boys: "Don't stay here.

c. Mr.Gray says : "I'm from Canada."

d. Father asked : "Where will you go, Tom?"

a. John asked his sister if she knew those people.

b. The policeman tells the boys not to stay there/here.

c. Mr. Gray says that he is from Canada.

d. Father asked Tom where he would go.