为啥用 “of” number four(第一行）?

为啥用 “of” number four(第一行）? Which is the largest number of four? of number four的意思是什么 哈利波特与魔法石 第一句那 of number four,Privet Driver, 这里面为什么是用of number the popularity of.the number of.,是不是后面都用单数呀.为啥内 it is reported that the number of the students absent __ four.答案用is还是was A small number of students take the subway every day take为啥用原形 这句话有啥语法 英语化学题,what is the maximum number of electrons ineach of the first four energy levels? what is the least number of points at which p can intersect these four lines 翻译 【翻译】a greater number of teens than those who had the same problem four years ago. 用“the number of”和“a number of”一起造句 ____of the students of our class _____fifty-four.A.The number,is B.The amount ,is C.The number ,are D.A number,are 前三道.是在看不懂.翻译和解答.谢谢了four times the square of a number is21 more than eight times the number .what is the number? Ther is a small number of people involved ,possibly as few as twenty .为啥用as few as,在as...as中,as 词性是什么,翻译成什么? ----- of the students in our class is fifty-four,and ------ of us are girls.A.the number;two thirdsB.the number;two thirdC.a number;two halfD.a number;three quarters One of the numbers is less than 还有The number is in the two ,four ,and eight times table. Which is the smallest number of the four?A.two-thirds B.a half C.a quarter D.three-fourths 英语翻译Mr.and Mrs.Dursley,of number four,were pround to say that they perfectly normal,thank you very much.