（）Lucy was worried about seemed obvious to everyone present at the meeting为什么填What,从当什么成分
问题描述：
（）Lucy was worried about seemed obvious to everyone present at the meeting
为什么填What,从当什么成分
答
主语从句中在介词about的后面明显缺少了宾语
答
What Lucy was worried about 是主语从句，在从句中what作介词about的宾语，意思是“Lucy担心的事”。
答
1.首先分析这个句子的成分.（）Lucy was worried about这些应该为此句的主语. seemed 为谓语动词.2.既然括号里需要填一个词语,那么就来分析.（）Lucy was worried about这个句子.这个在原句中做主语,那肯定是主语从...