The most impressive sight in China one of the wonders of the world the Great Wall.A. isB.

问题补充：

The most impressive sight in China，one of the wonders of the world， the Great Wall.

A. is

B. are

C. was

D. were

答案：

(答案→)A. is

B. are

C. was

D. were

解析：A【命题立意】考查主谓一致。

【解题思路】本句的主语是sight其前后都是修饰成分，one of the wonders of the world是插入语，所以谓语动词用is。