问题补充:
Had it not been for the haze(霾)weather phenomenon, there fewer car accidents in Beijing then.
A. would have been
B. were
C. may be
D. would be
答案:
(答案→)A. would have been
B. were
C. may be
D. would be
解析:考查虚拟语气:句意:要不是因为雾霾天气,那时北京的交通事故会更少,从Had it not been for the haze(霾)weather phenomenon,可知是和过去相反的虚拟条件句,相当于:If it had not been for the haze(霾)weather phenomenon,所以主句也是和过去相反的虚拟语气,用would have done,选A。