问题补充：
The Great Wall is so good a place many foreign people come to visit it has become well known all over the world.
A. as；as
B. that；that
C. as；that
D. that；as
答案：
A. as；as
B. that；that
(答案→)C. as；that
D. that；as
解析：从表面来看，这道题在考从句，而由句意可知：长城是如此一个好地方，以至于在全世界都很出名，（so..that）故第二空填that,第一空所在句子是一个定语从句，先行词为a place,它在many foreign people come to visit 中充当宾语，在限制性定语从句中，先行词被so,as,such,the same修饰时，关系代词用as，故选C
