When we arrived in ________ used to be called the foggy capital,we found London completely changed.London is now one of the capital cities in the world with the finest air quality.
—You speak very good French! —Thanks. I __________ French in Sichuan University for four years.
—Why don’t we choose that road to save time? —The bridge to it __________.
The number of foreign students attending Chinese universities ________ rising steadily since1990.
-Why does the Lake smell terrible? -Because large quantities of water .
Daniel's family their holiday in Huangshan this time next week.