The sale usually takes place outside the house,with the audience ( )on benches.

问题描述:

The sale usually takes place outside the house,with the audience ( )on benches.
B.seating
D.seated
为什么不是B呢?这里不是主动吗?为什么要用过去分词呢?

sit 是主动,如果用seat就是被动,因为sit是动态的“坐”,而seat是表状态,静态的坐,所以正确的表达应该是sb be seated on sth.所以这里主要表状态,用的seat,就要用过去分词.