The first three of the five chapters in the book--very easy,but the rest--difficult.A is,are B are,is 选哪个啊?谢谢啊1还有这句话是什么意思啊？

the first three The numbers 2,4,6,9 and 12 are rearranged according to these rules；(1) The largest isn' first, but it is in one of the first three places. (2) The smallest isn't last but it is in one of the three places.(3)The median isn't first or last numbers? W What are the first three letters of the capital of UK? Jack is first.He is the t_____ of the three boys.说错了，Jack is first.He is the f_____ of the three boys. the first three paragraphs of the passage mainly tell us thatthe first three paragraphs是前三段的意思吗?first当副词首先 The first three 和three first 有何区别 the first three和 three first的 意思 ,区别 －－of the population of this country are famers. A.First three B.One third (2/2)e and within the first three days of the session .并分析下句子成分 in the first three quarters of the year翻译成中文. 英语阅读,The first class in the afternoon was over (结束的) at three.The first class in the afternoon was over (结束的) at three.Cathy went out of the 16 .She played a game with Jenny and Betty in the hallway,and they didn’t hear the bell for the first three months ,he didn't feel angry,did he翻译 the first young man c____ his three kernels of corn with some beef and ate them. Selina went to her first _____ at the age of three. At first,I didn't know the importance of English. the first of the first of all first the first at first的区别We can't begin the meeting now.___________,not every member has arrived here.A First B First of all C The first D At first 【英语数学题】很诡异的sat代数题,算的结果和答案不一致The first of three number is 3 times the second number.The third number is 30 more than the second number.If the third number is represented by t and the sum of the first and