第1题: [单项选择]The lecture was supposed to start at three, but it was delayed half an hour. A. 讲座以为在三点钟开始,但半个小时以后就开场了。 B. 讲话被以为在三点钟开始,但被延误了近半个小时。 C. 讲演本该在三点钟开始,但迟了半个多小时。 D. 讲座应该在三点钟开始,但被耽搁了半个小时。 参考答案:D 答案解析:[解析] 本题的考点是be supposed to“应该”和was delayed“被耽搁”。该短语表示根据想象、经验以及要求“应该”发生。例如:The door is supposed to be