问题补充:
—When did your daughter go to sleep last night?
—She didn’t go to bed she finished her homework.
A. before
B. after
C. until
D. then
答案:
A. before
B. after
(答案→)C. until
D. then
解析:句意:——昨晚你的女儿什么时候去睡觉?——她直到做完家庭作业才上床睡觉。A. before在……之前; B. after在……之后; C. until 直到; D. then然后。not……until……直到……才……故选C。