I bought some books for my daughter and they< >me 50 yuan.括号里怎么选used spent cost paid

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I bought some books for my daughter and they< >me 50 yuan.括号里怎么选used spent cost paid

I bought some books for my daughter and they< >me 50 yuan.括号里怎么选used spent cost paid
I bought some books for my daughter and they< >me 50 yuan.括号里怎么选used spent cost paid

I bought some books for my daughter and they< >me 50 yuan.括号里怎么选used spent cost paid
cost
物 + cost sb.+ 价钱

选cost 表花费
它们的区别如下:
1. use 表使用,指使用工具等,如:i use a knife to cut the meat.
2. spend 表花费,可以指时间,也可指金钱,但是主语应该是人。如: he spent 50 yuan on the book.
3. cost 表时间,金钱的花费,主语是物。 如: the book cost me 50...

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选cost 表花费
它们的区别如下:
1. use 表使用,指使用工具等,如:i use a knife to cut the meat.
2. spend 表花费,可以指时间,也可指金钱,但是主语应该是人。如: he spent 50 yuan on the book.
3. cost 表时间,金钱的花费,主语是物。 如: the book cost me 50 yuan.
4. pay 表付款,主语也该是人。 如: i paid 50 yuan for the book.

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选cost cost的主语是物或是活动 sth cost sb some momey
而 spent的主语必须是人 pay(sb )momey for sth
强调 cost 不能用于被动句

这几个选项中只有cost是物做主语

cost
sth cost sb 钱 → 某物花费了某人多少钱
这几个词,只有cost是以物作主语的,句子中的they是指somebooks,是物,所以只能用cost。