1 Do you know what time is it/ it is? 2 Why are you/you are going away?
3 I don't know where are they/they are going.
4 Can you tell me where is the museum / the museum is?
5 Where do you want / you want to go for your holidays?
6 Do you know what do elephants eat / elephants eat?
7 I don't know how far is it / it is from the hotel to the station.
(Do you know what time it is? is right)