填空题 The teacher postponed the theatre trip until the summer term. off The theatre trip ____________________ the teacher until the summer term.
  • 1、
【正确答案】 1、was put off by    
【答案解析】postpone意为“延期”, put off意为“推迟”,主语为“人”时,动词用主动语态.主语为“活动”时应用被动语态。