問題補充：
單選題
It is surprising that he ________ have been so foolish．A.mustB.couldC.shouldD.might
網(wǎng)友答案：
熱心網(wǎng)友 1樓
C解析should在It's surprising/strange/a pity…以及I'm surprised/sorry…等句型中，當“竟然會”講。如：It's surprising that you should be so foolish．真令人吃驚，你竟會如此愚蠢！而must have been, could have been和might have been都是表示對過去某一情況不同程度的推測。
