U.S. President Barack Obama ______ a speech at a dialogue with Chinese youth at the Shanghai Science and Technology Museum during his four-day state visit to China, Nov. 16, 2009.
There have been several new events to the programme for the Olympic Games.
tomorrow, our ship will set sail for Macao.
----She looks very happy. She have passed the exam. -----I guess so. It’s not difficult after all.
fire, all exits must be kept clear.
It is worth considering what makes “ convenience”foods so popular, and ______ better ones of your own (2008 .北京)