Помогите пожалуйсто даю 24 баллов 7 класс английский PRESENT PERFECT CONTINUOUS! />Срочно очень 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. ПОМОГИТЕ НУЖНО ДО ЗАВТРА

1.I have been writting this book for a year.2. Omar has been playing basketball  for 10 years.3. Jennifer has been warking since 9 o`clock.4. she has been looking for another job for a month.5.Tourists have been waiting for the second group for a hour.