问题补充:
Not until he met with the difficulty the importance of group work.
A. he realized
B. did he realize
C. realized he
D. he didn’t realize
答案:
A. he realized
(答案→)B. did he realize
C. realized he
D. he didn’t realize
解析:考查倒装句:句意:直到他遇到困难他才意识到团队工作的重要性。Not until+从句放在句首的时候,主句的谓语是部分倒装,选B。