Helen is working _the physics problem._上为什么是填on,而不是at/out/over?今晚必须有回答!谢
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Helen is working _the physics problem._上为什么是填on,而不是at/out/over?今晚必须有回答!谢
Helen is working _the physics problem._上为什么是填on,而不是at/out/over?
今晚必须有回答!谢
Helen is working _the physics problem._上为什么是填on,而不是at/out/over?今晚必须有回答!谢
答案:on
work on 表示“从事于,致力于”.没有work at 这个短语,work out 表示“算出,解决”,work over 表示“研究,检查”.
翻译:海伦正在做物理题.
work on :“从事于、致力于”的意思。
work at: 后面接地点,在..工作。
work out :“算出、解决”的意思
work over: 不存在
此处,是想说“他一直致力于研究物理问题”,故只能选on.
work on从事 是固定的用法
work at:对……下功夫,致力于,指很努力的工作或学习,强调努力;
work out:计算出,得出结果。强调结果;
work over:检查;
work on:强调正在工作或做的对象,on后常接动作的对象,此题就是强调physics problem
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