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. You haven't smoked sincefor two months.
2. I haven't met Jill sincefor the end of the school.
3. We've been friends with Fred sincefor decades.
4. I haven't slept sincefor 48 hours.
5. We've been together only sincefor a few days.
6. I've read two books sincefor the weekend.
7. Jane hasn't been back to Hungary sincefor last year.
8. They have been raising horses and cows on their farm sincefor many years.
9. They've been in love sincefor three weeks.
10. They've been teaching here sincefor quite a long time.
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