Last week we bought some delicious apples___ten yuan___five yuan.

问题描述:

Last week we bought some delicious apples___ten yuan___five yuan.

答案:
Last week we bought some delicious apples(for)ten yuan(at)five yuan.
这5块钱一斤的苹果我买了10块钱的.
说明:at five yuan 表示 5块钱一斤.