请大家帮我解释下ones的用法I wasn't sure which ones would be most useful or important.这里为什么要用ones 而不用one呢什么时候用ones啊

请大家帮我解释下ones的用法I wasn't sure which ones would be most useful or important.这里为什么要用ones 而不用one呢什么时候用ones啊 I always remember loved ones' birthdays请您帮我解释下,loved ones' birthdays我不理解 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, 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, 帮我解释下动词不定式的用法. hit the hayThe cowboy was tired after a day of cattle herding.He said,I am going to hit the hay .See you in the morning.请大家帮我解释下hit the hay 请帮我解释下 关于keep的用法.keep doing 另外帮我详细解释下keep的其他用法. Have you ever been to Shenzhen?----Yes,I ____there fours months ago.A.have been B.have goneC.went D.was going为什么正确答案是C,其他的都不可以,请大家帮我辨析下谢谢哈 请帮我回答下音乐一词的解释, 请大家帮我分析个句子成分!I always saw to it that every single cent of money raised for the revolution was spent for no other purposes.1.请大家帮我详细的分析下这个句子的成分;2:that从句中谓语动词是raised吗?那么 英语翻译And I Don't Want to Live This Life请大家帮我翻译下这话的意思.. 请帮我解释下17 19 请帮我解释下什么叫搏奕论 I enjoyed ____ ____ when I was traveling.旅游时有他为伴真是愉快 请大家按照中文的翻译帮我补充完整一下啊 the way 的用法?请大家帮我分析一下这里THE WAY 的用法是如何用的?they felt that the way the planets lined up was important.这是是定语从句吗? 什么必须用这台电脑.怎么那么麻烦,请有I touch4的帮我解释下都是什么意思.