The key to exercise solutions in chapter Unit 50 - Questions 2 for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press
Question
Put the words in the correct order.
Answer
Do you know what time it is?
How far is it to the airport?
I wonder how old Tom is.
How long have they been married?
Do you know how long they have been married?
Could you tell me where the station is?
I don't know whether anyone was injured in the accident.