Not until Betty got to the airport she had lost her tickets.
A. that she realized
B. did she realize
C. where she realized
D. she realized
网友回答
A. that she realized
(答案→)B. did she realize
C. where she realized
D. she realized
解析：考查倒装。句中否定词not until放在句首，主句的主谓发生倒装，故选B。句意：直到Betty到达机场，她才意识到她的票丢了。