Отрезок AD-биссектриса треугольника ABC.Через точку D проведена прямая,параллельная стороне AB и пересекающая сторону AC в точке F.Найти углы треугольника ADF,если угол BAC=72 градусов

как судьба человека зависит от судьбы общества ?

граматикVocabulary & Grammar
3. Choose the best alternative.
1. This organization is too ______ . There are four forms for everything!
a) bureaucratic b) flexible c) hierarchical
2. I am writing to invite you to ______ your research findings at the ECR
conference.
a) present b) network c) talk
3. I’m 63 now, so I’ve only got two years to go until I reach ______ age.
a) promotion b) appointment c) retirement
4. Sorry, I didn’t quite _____ that. Could you repeat it?
a) catch b) clarify c) speak
5. I'm waiting for Sue. ______
a) Have you seen her? b) Did you see her? c) Have you see her?
6. These figures ______ for me last week.
a) have been checked b) had been checked c) were checked
7. She said she was preparing the figures but she ______ be long.
a) hadn’t b) wouldn’t c) won’t
8. If your second interview ______ well, I'm sure they'll offer you the job.
a) will go b) goes c) would go
9. Kate denied ______ the office keys to anyone else.
a) giving b) to give c) give
10. You ______ touch that button! The whole production line will stop!
a) mustn’t b) don’t have c) shouldn’t toа