问题
单项选择题
She worked hard at her task before she felt sure that the results would（）her long effort.
A.justify
B.testify
C.rectify
D.verify
答案
参考答案：A
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She worked hard at her task before she felt sure that the results would（）her long effort.
A.justify
B.testify
C.rectify
D.verify
参考答案：A