The new dictionary cost the girl about 20 dollars.(保原意) The girl _about 20 dollars _the new di并说理由,谢谢!

The new dictionary cost the girl about 20 dollars.(保原意) The girl _about 20 dollars _the new di并说理由,谢谢!
The new dictionary cost the girl about 20 dollars.(保原意) The girl _about 20 dollars _the new di
并说理由,谢谢!

The new dictionary cost the girl about 20 dollars.(保原意) The girl _about 20 dollars _the new di并说理由,谢谢!
paid for spent on
pay钱for 物
spend 时间 金钱 on 物
以上两个都是人作主语
cost 是物作主语 花费

spent on

spend on

The girl spent about 20 dollars on the new dictionary.
女孩花了大约20美元买这本新词典。
理由，就是按照意思换个词组咯。
根据语境应该是过去时了 所以用spent 而不是spend

spend on