Fill in for or since. 1)It39;s been raining.........almost three hours! 2)She39;s

Fill in for or since. 1)It39;s been raining.........almost three hours! 2)She39;s been planning the party...........last Easter 3)Have you been studying English.....................many years? 4)They have been playing tennis .......10am 5)We39;re been writing to them............our holiday in Crete last year. 6)He39;s been following her.........months now. 7)Have you been waiting here...........you got off the train? 8)She39;s been looking at that painting............over an hour. 9)Has he been feeling ill ....... a long time? 10)We39;ve been thinking about buying a new car........last year.