The secretary worked late into the night,___a long speech for the president.
The secretary worked late into the night,___a long speech for the president.A.to prepare B.preparing C.prepared D.was preparing
为什么不选A?这个秘书工作到夜里,为了给校长准备一个长演讲.很明显是TO DO表目的啊,为什么是B啊?不过我觉得work 和prepare这两个动作时同步的,故此处用现在分词作伴随状语.貌似也能通.那到底怎么看啊?