UC知道：想知道神马，提问回答学习问题百度都知道

there are five pairs ___,but I'm at a loss which to buy.

来源：百度知道编辑：UC知道时间：2024/05/12 02:15:56

a to be chosen
b to choose from
c to choose
d for choosing
答案选B,为什么不用被动??

你看选项，注意！there “are” five pairs，句子中有“ are”用被动的话后面必定是 chosen ，所以用不定式。from后面有指代的内容，从哪来的？

我认为是：to do 不定式，在这里做目的状语

这是不定式，就像I have something to do,是不用被动的

There are five books ______. Among them there are five ____ There are five in my family是否对？ there are five people at my home,they are my parents and i 还是they are my parents and me there are five pairs ___,but I'm at a loss which to buy. There are five pairs___, but I'm at a loss which to buy. 答案是什么 There are five pairs___, but I'm at a loss which to buy. There have there are 英语There are five flies on the table. i kill one. How many left的谜底是什么 There ___ five minutes left.