Question

They said good — bye, little knowing that they ________ again．

A. were never met
B. were never going to meet
C. never met
D. will never meet

Answer 1

答案B
这句句子的意思是“他们相互告别，一点都不知道这将是他们的永别。”这整件事情发生在过去的时间，而他们将来不能再见这个动作是出现在know后面的宾语从句中，因此是过去将来时。