this pair of shoes _ made in Nanjing.A is B are C have been D had been

问题描述:

this pair of shoes _ made in Nanjing.A is B are C have been D had been

选A求解答过程啊,,为啥选Aa pair of 后用单数形式 made用过去式是被动语态不表示完成式 这是个一般陈述句 用一般现在时就可