问题补充:
It is reported that many a new house at present in the disaster area.
A. are being built
B. were being built
C. was being built
D. is being built
答案:
A. are being built
B. were being built
C. was being built
(答案→)D. is being built
解析:考查时态:句意:据报道很多新房子现在正在灾区被建造。时间是at present,说明是正在被建,而且主语是many a+可数名词单数,谓语是单数,选D。