There are five pairs ____, but I’m at a loss which to buy.
A. to be chosen B. to choose from
C. to choose D. for choosing
to choose from 与t o choose 有什么区别, 主动被动有何区别?
有关 choose 与 choose from 的区别,请参见英语语法网的这篇文章:
http://www.yygrammar.com/Article/201403/3589.html