题目内容：

It is strange that they____touch with each other for ten years since they live in the same city.
A.should lose B should have lost 为什么.选A不选B

优质解答

选A正确.因为,首先,有虚拟语气的固定句型：It +be +necessary/strange/natural/important that sb should do sth.其次,should have done,表示【过去本来应该做某事（却没有做）】.按照句子意思,这里需要表示的意思是...