题目

     The man insisted that he ____ nothing wrong and that he _____ free. A. had done; be set    B. did; was   C. had done; would be   D. did; would be 答案：A根据语境，在横线上填写恰当的句子。    成熟的麦穗低垂着头，那是在教我们谦虚；__________，__________；温柔的水珠能滴穿岩石，那是在我们坚韧。