Thousands of foreigners were _________ to the Shanghai World Expo the day it opened.
One of the advantages of living on the top of a high building is that you can get a good ______.
——Shall we go to Shanghai by plane? ——_____.
When I came in, I saw her sitting in the sofa ______ in thought.
We all like the way _____ the teacher gives his lessons.
There was a fire accident in the hotel last night. Fortunately everyone had a(n) _____ escape from the fire and no one was hurt.