【cost,spent,pay,take的用法】

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cost 主语是物 sth. cost sb some money 意为某物花费了多少钱
spend 主语是人 sb. spend some money on sth.
或 sb. spend some time doning sth.
take 后面常跟双宾语有固定句型 It takes sb. some time to do sth.
pay(sb.) money for sth. 付钱(给某人)买
pay for sth. 付……的钱
pay for sb.替某人付钱
======以下答案可供参考======
供参考答案1:
cost可以是花钱也可以是花时间，但是主语是物；
eg：It costs me 5 munites to walk to school.
It costs me 20 yuan to buy the book.
spend是花时间，主语是人，可以是sb. spend some money on sth./doing sth；
pay是指付钱，主语也是人，sb pay for sth某人为……付钱
take主要是指花时间，主语也是物。It takes sb sometime to do sth
供参考答案2:
cost 主语是物 sth. cost sb some money 意为某物花费了多少钱
spend 主语是人 sb. spend some money on sth.
或 sb. spend some time doning sth.
take 后面常跟双宾语有固定句型 It takes sb. some time to do sth.
pay(sb.) money for sth. 付钱(给某人)买
pay for sth. 付……的钱
pay for sb.替某人付钱