24 7 класс present perfect continuous! /> надо a)i began writing this book last year and i am still writing it. b) omar started playing basketball when he was 10 years old and he still plays it. c) jennifer started working at 9 o'clock and she's still working. d )my friend's sister started looking for another job a month ago and she's still doing it. e) a group of tourists arrived at the hotel kazakhstan"an hour ago and they are still waiting for the second group to come. нужно поставить for or since например: my friend started a course a year ago and she is still doing it. she has been doing her course for a year. нужно до завтра