问题
选择题
If the firefighters ________ in time, the fire would have resulted in many deaths in the hotel.
A.wouldn’t have arrived
B.hadn’t arrived
C.didn’t arrive
D.shouldn’t arrive
答案
答案:B
考查虚拟语气。这是一个与过去事实相反的虚拟语气。条件从句中用过去时,主句里用情态动词+have done;