Правило: since і for.

В кожному реченні виберіть відповідний за змістом привід (since або for).
Наприклад: we've been working here (since / for) this morning. – We've been working here since this morning.

1. Jane hasn't been to America 1981.

2. I haven't met Jill the end of the school.

3. I haven't slept 48 hours.

4. i've read two books the weekend.

5. He hasn't played the piano he was a boy.

6. Jane has worked here two weeks already.

7. These cherry trees have bloomed every spring 1980.

8. They have been raising horses and cows on their farm many years.

9. They've been in love three weeks.

10. New ideas have been put into practice he was elected our leader.