điền số thích hợp: ----- Nội dung dịch tự động từ ảnh ----- VII. Điền từ thích hợp vào ô trống Vietnam is in the South East Asia. It has (1) of beautiful mountains, rivers and beaches. (2) in Vietnam: the Red River in the north and the Mekong River in the (4) river in the South-East Asia and of course it is longer (6) are two long (3) Mekong River is the (5) Mekong River starts in Tibet and (7) Vietnam. It's 3,143 meters. Vietnam also (9) Son, Nha Trang, Vung Tau. to the Bien Dong. Phanxipang is the highest(8) many nice beaches such (10) The the Red River. The in Sam Son, Do