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. We have received no news sincefor 5:30 pm.
2. Jane hasn't been to America sincefor 1981.
3. I haven't slept sincefor 48 hours.
4. They have been ill sincefor Monday.
5. Jane hasn't been back to Hungary sincefor last year.
6. Dinosaurs have been extinct sincefor over 60 million years.
7. These cherry trees have bloomed every spring sincefor 1980.
8. I haven't talked to him sincefor last week.
9. He's been working in the field sincefor early this morning.
10. John and Bob have been working on this project sincefor five months already.
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