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. My boss has been away sincefor half a day only.
2. We've been together only sincefor a few days.
3. They have been ill sincefor Monday.
4. You have been watching TV sincefor hours.
5. Jane hasn't been back to Hungary sincefor last year.
6. He hasn't played the piano sincefor he was a boy.
7. He's been working in the field sincefor early this morning.
8. They have been raising horses and cows on their farm sincefor many years.
9. They've been in love sincefor three weeks.
10. Joe and Josephine have been going out together sincefor Valentine's Day.
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