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。