本单元语法--过去分词作宾补1.To their great fear.they found in the heaviest snowfall they had ever had. A.they were catching B.themselves caught C.they had caught D.themselves catching 解析:选B.句意:令他们害怕的是他们发现被困在平生所见过的最大的大雪之中.发现自己被困必须用反身代词+宾补.若用宾语从句应用be caught in. 【查看更多】