<span>1) At 7
o'clock yesterday evening Ralph (was driving) to the city. 2) Jane (was doing) her
homework when the telephone ( rang) .3) I (entered) the living room and
(saw) Peter who (was sleeping) on the sofa. 4) When Jane (came) home, her
little brother (was playing) with his favorite toy plane. 5) While Ann (was doing)
the flat, her sister (was cooking) dinner. 6) It (was snowing) when they (left)
the house. 7) Mum (was crossing) the street when Dad (drove) up to the gate.
8) My granny (was washing) up while I (was cutting) the vegetables for salad. 9) I
(tried) to phone you yesterday afternoon.- Sorry, Bob, I (was not) at
home. I (was helping) Sarah to prepare her presentation. 10) When John (
arrived) , we (were having) breakfast.</span>
9:55 - It's five to ten am
17:35 - It's twenty five to six pm
00:00 - It's twelf o'clock pm
15:20 - It's twenty past three pm
21:40 - It's twenty to ten pm
16:10 - It's ten past four pm
Кажись вот так.В первом ,собственно ,за теоремой Пифагора .Втором свойства этих углов.
Все верно это правильный перевод