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21、We're selecting ten causes ― from supporting poor families ________ the environment ― and giving you a chance to vote for your favorite.

A. to save    B. to saving    C. saving D. saved

 

 

21、B

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科目：高中英語 來源： 題型：

We're selecting ten causes ― from supporting poor families ________ the environment ― and giving you a chance to vote for your favorite.

A. to save    B. to saving    C. saving D. saved

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科目：高中英語 來源： 題型：

We’re selecting ten causes — from supporting poor families _________ the environment — and giving you a chance to vote for your favorite.

A．to save              B．to saving               C．saving             D．saved

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