with an improtant meeting( to attend ),the manager had to put off his visit to Europe.为什么填 to
问题描述：
with an improtant meeting( to attend ),the manager had to put off his visit to Europe.为什么填 to
答
to do不定式表示将来,因为会议还没参加,所以 经历才能推掉其他安排去参加会议啊.