... the country, where they believe they would have a better and healthier lifestyle By Đỗ Bình – THPT Liễn Sơn, Lập Thạch, Vĩnh Phúc – www.violet.vn/quocbinh72 The countryside faces many threats ... sheet to indicate the correct answer to each of the following questions By Đỗ Bình – THPT Liễn Sơn, Lập Thạch, Vĩnh Phúc – www.violet.vn/quocbinh72 The United Nations Children's Fund, or UNICEF, was ... shoots are the oldest evidence of human habitation in theGrand Canyon By Đỗ Bình – THPT Liễn Sơn, Lập Thạch, Vĩnh Phúc – www.violet.vn/quocbinh72 A clue B dispute C exhibit D proof Question 26:...