Правило: since и for.
В каждом предложении выберите подходящий по смыслу предлог (since или for).Например: We've been working here (since / for) this morning. – We've been working here since this morning.
1. Jane hasn't been to America sincefor 1981.
2. You haven't smoked sincefor two months.
3. I haven't met Jill sincefor the end of the school.
4. We've been together only sincefor a few days.
5. We haven't seen Mary sincefor the party.
6. She has been in hospital sincefor Monday.
7. They have been ill sincefor Monday.
8. He hasn't played the piano sincefor he was a boy.
9. They've been teaching here sincefor quite a long time.
10. Joe and Josephine have been going out together sincefor Valentine's Day.
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