问题
选择题
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
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。