He devoted most of his time to researching into space, believing his hard work would ______ sooner o...
2023-02-03 10:51:41 75次 2013届江苏省高一上学期期末考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He devoted most of his time to researching
into space, believing his hard work would ______ sooner or later.
|
A．pay back
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B．pay for
|
C．pay off
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D．pay up
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