Question 215. These new economic reforms have allowed for international                   and development in the country.

A. pay                                B. renovation                    C. investment                    D. opportunity

Question 216. Scientific                     help to explore some places and discover more and more remote parts of the world.

A. survey                           B. lead                               C. research                        D. expedition

256 CÂU TỪ VỰNG TỪ ĐỀ CÔ NGUYỄN PHƯƠNG