Every_______hadbeenmadeinorderto

发布时间：2020-07-25 20:44:46

Every _______ had been made in order to save the boy with the H5N1 bird flu,but all in vain．He died at last．A.effectB.affectC.infectD.effort

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D解析make every effort(to do sth．)意为“尽力做某事”。
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