请大家帮我解释下这句话Under his arm (was) a pair of shoes which one he had bought from the shop a few days previously.为什么不用is 要用was啊 为什么从句用过去完成时 前面就要用一般过去时呢,前面是过去的动

请大家帮我解释下这句话Under his arm (was) a pair of shoes which one he had bought from the shop a few days previously.为什么不用is 要用was啊 为什么从句用过去完成时 前面就要用一般过去时呢,前面是过去的动 精艺求精,滴水不漏的意思?请大家帮我全面的解释下这句话的意思, 大家帮我解释下这句话是什么意思? 英语翻译请大家帮我翻译下这句话. 请大家帮我把这句话解释下：“如烟往事俱忘却,心底无私天地宽” 大家帮我解释下,这句话是什么意思啊? 谢谢大家啊. something you had lost will not come back 请大家帮忙解释下这句话的意思是什么 清如水 明如镜的理解请帮我解释下这句话和为官之道 请帮我解释下 消息配合个股这句话的意思?(消息配合个股)请大家帮我详细解释,一定要举例子说明. He has not been able to get his own car into his garage even once.这句话是被动语态吗?帮我解释下语 英语翻译帮我解释下这句话的意思! i want to delete you from my life这句话是什么意思,请大家帮我翻译下! 请大家帮我解释下：蓝色部分的电路原理. 请大家帮我解释下以下几个词语的意思,轻薄,苦楚,正襟危坐, 请大家帮我纠正下这几句话：孔子：我仁；孟子：我义；老子：我以柔克则；庄子：顺其自然.荀子才是义啊.谁帮我解释下老子的话. 请大家帮我看下 这是什么石 Thankfully,you have survived the experience to live to talk about it.请帮我详细解释下这句话.