Page 50, 3 страница
Simon Haines; Barbara Stewart — page 50, exercise 2 01:22
Неизвестен — (50), Step 9, Ex-8, Page 37 00:36
Неизвестен — (13), Unit 5, Ex-5, Page 50 01:46
Drofa publishers — Track:40 Page:50 00:37
Unknown — Unite II, Lecon 11, Ex-2, Page 50 00:16
Неизвестен — (63), Unit 2, Step 05, Ex-03, Page 50 01:55
Unknown — Unite II, Lecon 11, Ex-1, Page 50 00:18
Неизвестен — (50), Unit 6, Ex-4, Page 33 01:09