spend 指某人花费多少时间(钱)做(在)…
sb.+spends+钱/时间+on sth./(in) doing sth.
例:I spent 80 yuan on the dictionary.
这本字典我花了80元。
I spent 2 hours on my homework yesterday.
比较:I spent 2 hours (in) doing my homework yesterday.
我昨天花了两个小时做作业。
take.表示“花费多长时间干某事。”
It takes sb. some time to do sth
It takes me an hour to go to school by bus every day.
我每天乘公共汽车上学要用一小时。
cost用作动词表示某物值多少钱或者说“得付多少钱去购买”,主语一般是表示所买的东西的名词。cost是不规则动词:cost, cost, cost
例My father bought a new car. It cost him ¥60,000.
我父亲买了辆车,花了他6万元。
How much does this watch cost?
It cost sixty yuan.
这块手表多少钱?60元。
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