Question

some parents did not appear ______ their childre

some parents did not appear ______ their children to summer school
A to favor to send
B to favor sending
C favoring to send
D favoring sending
答案是：b
不懂'求详解

Answer 1

考了两个词语的用法:

1. appear to 的用法:好像做了某事；强调做了......事

2. favor:favor 作动词用时，后面大部分情况接名词；如果是动词，必须是动名词做宾语
   

追问

是介词to'后边加名词和动名词

那什么时候加名词呢？

什么情况分辨加名词还是动名词呢？

追答

你说的是favor后面什么时候加名词什么时候加动词??

其实上面的回复已经解释了这个:
n.
好感,宠爱,关切,欢心,好意,喜爱
vt.
支持,赞成,照顾,促成,喜欢,证实,赐予
favor 作动词用时，后面大部分情况接名词；如果是动词，必须是动名词做宾语

Answer 2

appear+ to do
favor+ v+ing

追问

什么情况分辨加名词还是动名词呢？