问题 选择题

My mother often _______some money _______some useless things.

A.spends ; buying

B.spends ;to buy

C.pays ; buying

D.pays ; on

答案

答案:A

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,综上所述,根据句意选择A.

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