The Great Wall istourist attraction that millions of people pour in every year.
so a well-known
a so well-known
such well-known
such a well-known
When I came back to my hometown again, I found it changed so much that I could hardly _______it。
_____people who learn Engiish as a foreign language ________more than 750 million.
Rather than ________at home watching TV, I'd prefer_______in the office.
To the parents' worry, some middle school students are _______ computer games and completely forget their studies.
His sister left home in 1998, and _______ever since.