问题补充:
The young man was lying on the grass with his horse a tree.
A. being tied
B. tied to
C. tying to
D. was tied to
答案:
A. being tied
(答案→)B. tied to
C. tying to
D. was tied to
解析:考查with的复合结构,句意:这个年轻人躺在草地上他的马被栓在一棵树上。tie,栓,绑,系,与介词to 连用,his horse 与tie之间是被动关系,所以用过去分词,选B。