1. My hat (flew off) when I (was crossing) the bridge.
2. I (bought) a new car last summer, but I (have not sold) my old car yet, so now I’ve got two cars.
3. The party (will have begun) by the time we (come).
4. She (has been reading) this book for three days and (has read) 300 pages already.
5. How long had they (been waiting) for a taxi before it (came)?
1. Elisabeth says that he is a clever man.
2. She says that she will come to see you tomorrow.
3. Nick said he had never been to London.
4. He said he had seen them at my parents’ house the previous year.
5. I asked Boris if his friend lived in London.
х - время, которое плыла лодка по течению реки
10+2=12 (км/ч) - скорость лодки по течению
10-2=8 (км/ч) - скорость лодки против течения
12*х=8*(5-х)
12х=40-8х
12х+8х=40
20х=40
х=40:20
х=2 (ч)
Ответ: 2 часа лодка плыла по течению реки
Yesterday I sleeped a lot.
I drew a big picture.
Yesterday I lost my pencil.
I didn't do my homework.
I didn't buy milk.
I didn't learn by heart the text.
Did you phone to your friend?
Did you drink a medicine?
Did she read my letter?