If you want to buy something,you must p-- for it .

问题描述:

If you want to buy something,you must p-- for it .
填p开头的单词

填pay,支付的意思.
pay for something:付款
pay后面可以直接加名词或者连接介词组成固定搭配.
如pay for表示付款;偿还;赔偿;受到惩罚;
pay off表示还清;得到好结果;取得成功;付清工资解雇