选词:Mary went to the library to/for her book.

问题描述:

选词:Mary went to the library to/for her book.

Mary went to the library for her book.
玛丽为了她的书去图书馆。

选for,表示目的
to是不定式,后跟动词原形

应该填for
to 后面一般+动词原形,这里后面是名词book,所以用for
整句的翻译是玛丽去图书馆借书.
希望能够帮到你.