问题
选择题
We were caught in the heavy traffic jam. Otherwise, we _____ on time.
A．would have arrived
B．arrived
C．must have arrived
D．should arrive
答案
答案：A
考查虚拟语气，此题是与过去事实相反的虚拟语气，主句的构成为could/ would/ might have done ，句意：我们遇上了交通拥挤。否则的话我们就会按时到。所以选A。