_____ about Lucy,the teacher called her parents to find out why she was often absent from school.
题目
_____ about Lucy,the teacher called her parents to find out why she was often absent from school.
为什么填Concerned,而不填To be concerned?
答案
concerned about是分词短语作状语相当于 because the teacher was concerned about ,所以中保留过去分词形式,如果用后一种即不定式表示为了,即目地状语.本句显然表示原因.
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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