C. Read the text below and correct the prepositions in bold. Randy has been working for a company (1) since many years. He started (2) on the age of 25 and now (3) in 37, he wants a change. (4) At 12 years he has been waking up (5) over 6:30 (6) by the morning to catch the 7:30 train and get to work (7) since 8:30. Sometimes he has to work (8) for weekends (9) since many hours and last year he even worked (10) during New Year's Eve. He rarely gets any time off (11) at the summer and he never spends enough time with his family. He feels that (12) on the last 12 years he has been working too much and that now is the time for a new beginning. помогите пж​