.Mr Read made up his mind to devote all he had to_____some schools for poor children.

问题描述:

.Mr Read made up his mind to devote all he had to_____some schools for poor children.
为什么说这里的to 是介词内?

devote sth to sth
把 sth 奉献于 sth
后面加名词 所以是介词