He erased the wrong answer and wrote in the right one.

他擦去了错误答案,写上了正确答案.

《简明英汉词典》

A mathematician or a wit would give you the wrong answer.

数学家或才子会给你错误的答案.

英汉文学 - 欧亨利

He did the sum but got the wrong answer / got the answer wrong.

他做了这道算术题,但答案错了.

辞典例句

Angus: Rex, I think that was the wrong answer.

安格斯: 雷克斯, 我想你答非所问.

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He did the sum but got the wrong answer.

他做了这道题,但算错了答案.

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Comb your hair for the wrong answer.

是错误答案就梳头.

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Show the n card for the wrong answer.

错误的答案就出示n卡片.

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Frown for the wrong answer.

答案错了就皱一下眉.

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I circled the wrong answer.

我在错误的答案上画了个圈.

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This is a wrong answer.

这是个错误的答案.

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For example, are points taken off for the wrong answer and for answers left blank?

例如, 对于错误的答案和回答留下空格是否扣分?

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They were all confederates who had been told by the experimenter to give the wrong answer.

他们都是同伙,之前被实验者嘱咐故意给出错误的答案.

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The result of all this completely wrong answer, the world's largest force, the seeds of plants.

结果,这一切答案完全不对, 世界上气力最大的, 是植物的种子.

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