题目内容：

The programme was so exciting that the children kept their eyes __on the TV screen
A.fixed
B.fixing
why choose

优质解答

因为是fix 这个动作是由children 发出的 它与eyes呈被动关系 就用 fixed 如果被分词修饰的词与分词本身是呈主动关系就用ing 形式 例如 I found the door locked He felt his eyes dazzled by the bright light...