Question

—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

Answer 1

C

试题分析：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。