Chọn từ thích hợp trong bảng để điền vào chỗ trống. quality sincere diverse native unique wealthy resources accents official symbol 6. In Canada, the handshake should be firm and accompanied by direct eye contact and a __________________ smile. 7. In Quebec, if you give wine, make sure it is of the highest __________________ you can afford. 8. The American bald eagle was chosen as the national bird __________________ of the United States in 1782. 9. Australian __________________ do not vary from area to area like in many other countries. 10. In Vietnam, the number of _________________ speakers of English is still rising