1. d)
2. d)
3. b)
4. c)
5. a)
6. d)
7. b)
8. c)
9. b)
10. c)
11. a)
12. a)
Teacher, eat, read, tea ,clean.
<span>b) am going to clean
с не подходит, так как нет указания на то, что к какому-то моменту времени это уже будет сделано (например, "by" tomorrow's afternoon)</span>
When I visited my friends in Moscow, I bought two giftI was cooking dinner when the lights went outwhen it rained we swam at this time yesterday I was walking home the old man was thinking about his grandchildren when he fell asleepthey were going to go when it rained