The new shopping center now will be put into use by the end of this year.A. builtB. be bu

问题补充：

The new shopping center now will be put into use by the end of this year.

A. built

B. be built

C. being built

D. to be built

答案：

A. built

B. be built

(答案→)C. being built

D. to be built

解析：考查非谓语动词。句意：现在正在被建的新的购物中心到今年年底将会投入使用。根据题中的时间now，应用现在进行时的被动式作定语，所以选C。