题目

I don’t think he could have done such a stupid thing last night, _____? A. did he          B. could he         C. do I               D. hasn’t he   答案： A I think + 从句的反意疑问句根据宾语从句确定。could在此表示揣测，应变为he did such a stupid thing last night来考虑。  

查看本题答案和解析