ответ:
1) i don't have to walk to school ( я не обязан ходить в школу пешком, потому что могу и на машине проехаться или маршруткой и т.п. если бы было go to school тогда да)
2) parents mustn't get up at 6 a.m. ( если они конечно не работают в ночную смену)
3) best friend don't have to leave home early.( мы же не в курсе что ему там сказали, может он и должен прийти раньше, если бы уточнили)
4) students mustn't eat in the classroom.( лично я так думаю конечно)
5) i don't have to learn spanish( ну может если тебе это необходимо тогда have to)
6) friends and i have to (should) help at home.( я б поставил конечно should)
7) mum have to drive to work. (тут от вас зависит. если работа далеко - тогда используйте have to, если же близко - don't have to)
8)we mustn't run in the corridors. (mustn't - потому что это правило, что нельзя бегать. хоть я и не придерживаюсь его))
Robert Palmer graduated from university in 1991. He studied Medicine but he has never worked as a doctor. When he finished his studies, he decided to become an artist. He thought that painting made him really happy! Robert has been painting for more than twelve years and so far he has sold more than twenty paintings. He has received quite a few awards and he has displayed his work in many art galleries around Europe. For the last two months Robert has been working on his latest painting which is called 'The Year 2053'.
22 July 2005 at the competitions in London for the first time in the history of women's pole-vault took the height of five meters.
6 Mar 2012 is recognized as the most successful current athlete of Russia. Instructor in athletics in the Central sports club of the Army, major of the Russian army.