妞妞宝贝814
cost必须是物做主语，而且必须是花钱：sth. cost sb. somemoneyspend：sb. spend sometime/somemoney (in) doing sth.或者sb. spend sometime/somemoney on sth.cover表示（钱）足够付，例如：Is the money sufficient to cover the tuition?这笔钱付学费够吗? pay：sb. pay somemoney for sth.afford表示能够承受，常与can't 与can连用。额现在初三，这些都倒背如流了，绝对可靠，祝你学习进步偶！
scarlett0306
1. cost : vt. 花费 sth cost sb. money 【主语通常是物】2. spend: vt. 花费 sb spend time / money on sth. / (in) doing sth 某人花费时间、金钱做某事 【主语通常是人】3. cover vt. 够支付，包括...(的费用) 【主语通常是钱】4. pay : vt. 付 sb. pay sb. money for sth. （因为）某物而付某人... 钱 【主语通常是人】5. afford vt.买得起, 担负得起 afford to do sth. 【主语通常是人】例： The pen cost me thirty yuan. 那支钢笔花了我30元 I spent thirty yuan on the pen. I spent thirty yuan (in ) buying the pen. I spent a week on the novel / (in) reading the novel. 我花了一星期的时间看那本小说。 The payments he gets barely cover his expenses. 他赚的钱几乎不够他花的。 I paid him thirty yuan for the pen. 买那支钢笔我付了他30元。 She cannot afford a new dress. 她没钱买新衣裳。 She cannot afford the expense. 她花不起这笔钱。
乖乖邓子
cost主语是sth，花费钱。spend主语是sb，指花费时间或金钱。pay主语是sb，指花钱。take用于句型it takes sb some time to do sth。花某人多长时间做某事，这个句型。cover是v覆盖和n封面。afford v负担得起，买的起，主语是sb
乐乐冰儿
1.遮盖;覆盖[(+with)] Mary covered her face with her hands. 玛丽用双手捂住脸。 2.覆盖...的表面[(+in/with)] The highway was covered with snow. 公路被雪覆盖着。 3.掩饰;隐匿 She laughed to cover her anxiety. 她试图以笑来掩饰她的焦虑。 4.包含;适用于 These regulations cover such cases. 这些规定适用于这类情况。 His reading covers a wide range of subjects. 他阅读的书籍涉及多种学科。 5.(不用被动态)行过(路程) We covered about 30 miles a day. 我们每天大约走三十英里。 6.采访,报导 Jack covered the Gulf War for CNN then. 杰克当时替美国有线新闻电视网报导海湾战争。 7.(钱)足够付 Is the money sufficient to cover the tuition? 这笔钱付学费够吗? 8.给...保险;使免受损失[(+against)] Are the goods covered against fire damage? 这批货物保了火险吗? 9.用枪掩护;把枪口对准(某人)10.巡逻11.【体】(为夺球)盯住(对手);守(位)不及物动词 vi. 1.顶替,代替[(+for)]名词 n. 1.遮盖物;盖子;套子[C]2.(书的)封面,封底[C] On the front cover of the magazine is a picture of a boy. 杂志的封面是一张男孩的照片。 3.掩护(物);掩蔽处[U] This is only the cover for their unlawful activity. 这仅仅是他们非法活动的掩护而已。 4.保险[U][(+against)]5.伪装;借口[S]6.(一副)餐具;餐席[C]
