how long have you known each other?
how long have they stayed at home?
how long did it take you to go back home?
how many people were there in the room just now?
have they already had a good rest?
how long have you known each other?
how long have they stayed at home?
how long did it take you to go back home?
how many people were there in the room just now?
have they already had a good rest?