Write questions from the words in brackets. Use the Present Perfect.
(how long/your mother/be/in hospital?) ________________________.
(how long/you/know/Carol?) ________________________________.
(how long/she/be/in Australia?) ______________________________.
(how long/he/have/that jacket?) ______________________________.
(how long/you/work/at the airport?) ___________________________.
(how long/have/driving lessons?) _____