题目内容
The program was so exciting that the children kept their eyes _____ on the screen.
A. to fix B. to be fixed C. fixed D. fixing
C
解析:
由固定结构fix one’s eyes on/upon...可知此处应用过去分词。
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题目内容
The program was so exciting that the children kept their eyes _____ on the screen.
A. to fix B. to be fixed C. fixed D. fixing
C
由固定结构fix one’s eyes on/upon...可知此处应用过去分词。