2. Вставьте предлоги since или for:
1. The bird has been singing about ten minutes.
2. It has been snowing heavily yesterday evening.
3. Cold wind has been blowing the whole night.
4. We haven/t been talking to each other almost a week.
5. Mum has been cooking the Christmas dinner 7 a.m.
1-for
2-since
3-for
4-for
5-since
первое~for
второе~since
третье~for
четвертое~for
пятое~since
Ну, вроде бы так, как по мне