Question

Why didn't you tell me there was no meeting today? I _____ all the way here ____

Why didn't you tell me there was no meeting today? I _____ all the way here _____the heavy snow.
A. needn't have driven；through
B. can't have driven；across
C. mustn't have driven；through
D. shouldn't have driven；cross

Answer 1

答案A
needn't have done表示“做了不必要做的事情”。can't have done表示对过去情况的推测，意为“不可能发生了某事”。mustn't have done 无此用法。shouldn't have done表示“本不应该做的事而做了”。