题目

Jenny works hard as usual and it has________．She got the first in the final exam again. A．showed off  B．paid back C．paid off  D．turned up 答案：C　考查动词短语辨析。句意：珍妮照常努力学习而且也有了回报，她又一次在期末考试中获得第一名。根据句意选择C项，pay off意为“回报”。show off炫耀；pay back偿还；turn up出现。

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