He has to_________ 20 yuan on the book. But I needn’t _______ any money for it.A.pay; spendB.cost; payC.spend; payD.take; spend
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C解析此题重点考查cost，spend，pay，take四个花费的区别；cost的主语是物常用句型结构是sth cost some money；spend的主语是人，常用的句型结构是sb spend some time/money in doing sth; pay的主语是人，常用句型结构是sb pay something some money；take的主语是it，常用句型结构是it takes sb some time to do sth,