【问题】 Mrs. Black has worked in a hospital in New York _______ 1990.AinBtillCforDsince
Mrs. Black has worked in a hospital in New York _______ 1990.AinBtillCforDsince
正确答案:D
题目解析:本题出自山东医学高等专科学校,山东医学高等专科学校大学英语(高起专),由丰阳塔题库搜集整理。