问题补充:
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
答案:
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。