【问题】 It was not _______ he took off his glass ____I realized who he was.
It was not _______ he took off his glass ____I realized who he was.
正确答案:C.until;that
题目解析:本题出自青岛市广播电视大学,青岛广播电视大学-理工英语3,由丰阳塔题库搜集整理。