around the Water Cube, we were then taken to see the Bird’s Nest for the 2008 Olympic Games.
It is reported that Beijing and Zhangjiakou(张家口)will compete to host the 2022 Winter Olympics, which will _____ China’s social development.
With the Internet widely used, a(an)___change has taken place in the way people communicate with one another.
When Mr. Smith took over the company, it was already heavily______ and had no money to pay the workers.
Children need a lot to grow up, but ________ they need love and care.
Our earth is getting warmer and warmer. It is time for us to_____ the emission(排放) of CO2.