we have been looking for the boy all the morning but he is n

选择D（出自五高考三年模拟 专题6 动词的时态和语态）Be to +动词原形 意思是 按计划或安排要做的事还有8种意思这是第6种 表示“可以,可能”相当于may ,caneg：The news is to be found in the evening paper。She is nowhere to be found。在哪里也找不到她