When he came back，he found the bag he had _________ over the seat was gone．
A.left to hangB.left hangingC.to leave hangingD.left hung在线课程B
该题考查find后跟复合宾语的句型，现在分词作宾语补足语，表示正在进行的动作或持续的状态；bag既作found的宾语，又是其后定语从句he had left所修饰的先行词.答案为B.在find后跟复合宾语中，现在分词作宾补的例子又如：
I found the boy hiding behind the door．我发现这小男孩躲在门后.
Mary found Ben digging in the garden．玛丽发现贝恩在花园挖地.
They found Mammy waiting for them．他们发现梅米在等他们.
They were shocked to find Snow White lying on the floor．
他们惊讶地发现白雪公主躺在地板上.