◎ 题干
You look like light-hearted. Nothing seems ____ to you.

A. to happen
B. to be happened
C. to have happened
D. to have been happened
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“You look like light-hearted. Nothing seems ____ to you. [ ]A. to happen B. to be happened C. to have happened D. to have been happened …”主要考查了你对  【不定式的完成式】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。