The boy’s dad was ____(complete) shocked when he saw that his son was playing with fire.
答案
completely
知识点:副词的用法

根据语境,此题表达的意思是“孩子的爸爸看到他儿子玩火时,完全惊呆了。”修饰形容词shocked应该用副词completely。正确答案为completely。

略
