题目内容：

Shanghai Oriental Pearl TV Tower is one of ______ in the worid.
A.tallest TV tower B .the tallest TV tower C.tallest TV towers D.the tallest TV towers

优质解答

正确：D
牢记one of的三个用法
后接形容词最高级,如本题的the tallest
后接名词复数,如本题的towers
该短语作主语时,谓语动词使用三单形式.如：One of the greatest wonders in the world is Terra-Cotta Warriors.

追问：

This mooncake is ___________ of all. A.more delicious B.worse C. worst D. the worst

追答：

of all体现最高级，所以正确：D（最差的）