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英语
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Tom works hard on his chinese.为什么用on
人气:101 ℃ 时间:2019-12-10 04:47:42
解答
work 是不及物动词动词,需加介词再加宾语,work on指从事某项具体的事情.work后还可以接as,指“从事什么职业”,work for 指“为...而效力、工作.
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