问题
选择题
So extraordianry __________ that it left a deep impression on visitors.
A．was the Shanghai 2010 Expo
B．the Shanghai 2010 Expo was
C．did the Shanghai 2010 Expo
D．the Shanghai 2010 Expo did
答案
答案：A
考查So ... that句型so位于句首时句子采用倒装的用法。“上海2010世博会如此不寻常以至于给游客留下来很深的印象” 选A