分母不同的分数相加减怎么算

Please tell me that who is the suitable man for the job.请问该句是否正确,请详解. I'm fine thank you for your concern什么意思. 第一次写sat作文,求指导~Is it important to question the ideas and decisions of people in positions of authority?I think it is really very important to challenge the ideas and decisions of people in positions of authority.It can not only benef Thank you for your merciless,for which I am disappionted. sat作文写多了时间不够?RT,不知不觉就写到了500字左右,然后时间不够了...我数了数OG的范文,都是300多字左右.我是不是可以考虑少写点呢?我觉得以我的写字速度25分钟最多写400字 SAT作文主体部分该怎么写? SAT作文怎么写有哪些要求? SAT作文一般要写多少字? beyond words 和 without words的区别同题 moved beyond words翻译 德意志精神是什么? 诚实就是上策,用英语如何说 什么是德意志精神别贴大段的文字!任何精辟的回答都是精炼的 Germany是啥意思 德意志的民族意识是怎样形成的请列举具体事件 On my way to school,I ___ that I had left my textbook at home A knew B though B realized Do you really mean it? there is always tomorrow什么意思 "Do you really mean it? There is always a tomorrow belongs to me .Because i ...Desire... My Hobbie Do you mean that?如题, 日尔曼战车怎么了最近看百度发现有人在骂日耳曼战车 是在骂德国队吗? 为什么? Do you ___（real / really) like that 日耳曼战车是甚么?为什么这么说? 英语翻译“日耳曼战车”怎么翻译成英文?这是一个足球名词. when i got to the check-out,i realized that i ___(not bring) my purse It is difficlt for him to ___witout a car A:get around B:get across c:get along D:get through You can get to England from France _____ the channel.A across B through C cross 选哪个?为什么? “It is not,however,always a smooth and safe one.”中however是什么用法,为什么放在句子中间,放在句首可以吗?为什么与中文的说法不同? He is always confusing wheat with leek .confusing用法? The boy is always kicking his younger brother about.中about什么用法 when I walked into my classroom to have the art class for the first time的文章