Question

Beijing ________ a lot over the years. Now it has become one of the biggest

______ in the world.

A. changes; cities???????????? B. changed; city?

C. has changed; cities????????? D. changed; cities

 

Answer 1

【答案】

C

【解析】

试题分析：句意：这些年北京变化很多。现在它已经成为世界最大的城市之一。与时间短语over the years.连用时，用现在完成时。由one of来修饰时，后面用名词的复数形式。故选C。

考点：考查时态的用法。