分类：教育/科学-外语学习
问题：高一英语ImetWangMingin1976.Wehaven't 
ImetWangMingin1976.Wehaven'tmeteachother________________. terthat请选出答案,并请注明原因。指出其三者的区别,谢谢各位。
回答： 
I met Wang Ming in 1976. We haven't met each 
other ________________.  填 since then "从那时起"