mary花了30美元买下了这条牛仔裤.This pair of jeans____ mary 30 dollars.=Mary ____ 30 dollars on this pair of jeans.
问题描述:
mary花了30美元买下了这条牛仔裤.This pair of jeans____ mary 30 dollars.
=Mary ____ 30 dollars on this pair of jeans.
答
cost
spent
都是过去时