Поставьте предложение в вопросительную форму he has been driving for 3 hours . ann has been looking for a job for 6 months. she has been typing since four o'clock. mr.brown has been reading for two hours. mike has been waiting mary for three hours. i have been waiting for the bus since 10 o'clock

Has he been driving for 3 hours?
Has Ann been looking for a job for 6 months?
Has she been typing since four o'clock?
Has Mr.Brown been reading for two hours?
Has Mike been waiting Mary for three hours?
Have you been waiting for the bus since 10 o'clock?