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. We've been together only sincefor a few days.
3. I've read two books sincefor the weekend.
4. She has been in hospital sincefor Monday.
5. They have been ill sincefor Monday.
6. Jane hasn't been back to Hungary sincefor last year.
7. Dinosaurs have been extinct sincefor over 60 million years.
8. I haven't talked to him sincefor last week.
9. He's been working in the field sincefor early this morning.
10. They've been in love sincefor three weeks.
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