1. The representatives from the two countries had a heated discussion on a wide ________ (范围) of issues.
2. The restaurant, ideally __________ (位于) beside the new railway station, is very successful in business.
3. They finally came to an _________ (协议) on reopening the talk between the two countries.
4. The ______ (古代的)town dates back to the Tang Dynasty.
5. The white bird is a ______（象征）of freedom.
6. When shall we ______（签署）the contract?
