Thousands of foreigners were _____ to the Shanghai World Expo the day it opened. (2010 .江苏)
In the dark forest _______, some large enough to hold several English towns.
.Last week, only two people came to look at the house, _______ wanted to buy it.
After the new technique was introduced, the farmers produced ________ grain in 2006 as five years before.
The man,_______ is often parked in front of our house, is a famous surgeon.
– Can you tell me ___________? – An engineer from Jinan Iron and Steel Plants.