Question

It was until last year that he ______.

　 A. left his home town for a new start 　

B. came to realize the importance of leaving English

　 C. worked as an English teacher at a middle school 　

   D. set out to build a new house of h his own

Answer 1

C

解析:

强调句型。注意until引导的句型是肯定的意思其谓语动词应该是延续性动词。