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cost的过去分词和过去式 cost过去式和过去分词

2021-04-23知识3

cost的过去式和过去分词是什么 教课书中分别是cost,cost而辞典中分别是costed,costed,是我理解错了,还是.?有些晕 cost的过去式是它的原形:cost 而costed不是过去式,也是。

求下列动词的过去式和过去分词 原形 过去分词discuss,make,collect,have,teach,find,interview,cycle,pollute,leave,eat,spend,plan,cost,put,finish,arrive过去式discussed,made,collected,had,taught,found,interviewed,cycled,polluted,left,ate,spent,planed,cost,put,finished,arrived过去分词discussed,made,collected,had,taught,found,interviewed,cycled,polluted,left,eaten,spent,planed,cost,put,finished,arrived加油哦。我猜你是六年级吧。

cost过去式和过去分词 cost的过去式是2113cost,过去分词也是cost,句中作为名5261词和动词使用。cost英[k?st]美[k?st]vt.花费;使付出4102;使花许多钱;估价,1653估算成本vi.花费n.费用,代价,成本;损失短语1、cost price 成本价;出厂价格;成本价格;原价2、Implicit Cost 隐含成本;隐成本;隐性成本;内含成本3、sunk cost 沉没成本;沉淀成本;沈没成本;[会计]旁置成本4、Average cost[会计]平均成本;平均成本法;[经]平均代价;[经]平均费用例句1、This course is limited to 12 people and costs$150.这门课程限招12人,费用为$150。2、Painted walls look much interesting and don't cost much.粉刷过的墙壁看上去更有趣,要价也不高。扩展资料cost的近义词有invested,spend,expend,fee,charge,expense,price,losing。一、spend英[spend]美[sp?nd]vt.度过,消磨(时光);花费;浪费;用尽vi.花钱;用尽,耗尽n.预算1、By the end of the holiday I had spent all my money.到那个假期结束时我已经花光了我所有的钱。2、Businessmen spend enormous amounts advertising their products.商人们花巨额资金为他们的产品做广告。二、expend英[?k'spend;ek。

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