Заполните пропуски предлогами since или for для указания начала момента действия или его продолжительности: since: Monday, September, the 1 of January, 12 o'clock, 2002; for: two hours, three days, a week, a month, a year, a long time, ages 1.
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1. Our engineers (was, were) at the factory yesterday. 2. When (was, were) you a student? 3. Our children (was, were) not at school yesterday. It (was, were) Sunday. 4. Who (was, were) your English teacher at school? Mr. Sedov (was, were). 5.
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