There are five pairs of shoes ( ),but I am in a loss which pair is the best.
A.to be choesn from 8.to choose from
为什么不选被动
there are five pairs of shoes (I can choose from them),but I am in a loss which pair is the best.原句应该是这样的，省略了括号中的
主语应该是I ，所以不用被动态
主语应该是I ，所以不用被动态
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