问题
选择题
Many students didn’t realize the importance of study _______ they left school.
A．when
B．until
C．after
D．unless
答案
答案：B
此题考查对语句的理解，及重点句型结构，not…until
搜题请搜索小程序“爱下问搜题”
Many students didn’t realize the importance of study _______ they left school.
A．when
B．until
C．after
D．unless
答案：B
此题考查对语句的理解，及重点句型结构，not…until