问题补充:
The steel plant being designed will be the greatest project next year.
A. built
B. being built
C. to build
D. to be built
答案:
A. built
B. being built
C. to build
(答案→)D. to be built
解析:考察非谓语动词.句意:正在设计中的钢铁工厂将会是明年最大的将要进行建设的工程.不定式表示具体的将要进行的动作,build是建造的意思,这个工程是建设的动作对象,故用被动语态..选D.