—Really ? Who will give ____lecture ? What is it about ?—Professor Chen , _____ president of Beijing University . About pollution .
________restoration of ancient architecture,the Chinese government has invested a large sum of money on it.
The information office is ________in the centre of the city.
Tibet lies ________the west of China while Japan lies ________the east of China.
--Hi, Jack! We’re going to have a walk along the beach this Sunday. --_______. I love sunshine.
________ the market in three months, the new product will make a big difference.