求问一道英语选择题,我不知道这题该如何理解Sally had a third again as many as David,who had a third as many again as Francis.Altogetter they had 111.How many did David have?这句话里a third 答案说算出来是36

求问一道英语选择题,我不知道这题该如何理解Sally had a third again as many as David,who had a third as many again as Francis.Altogetter they had 111.How many did David have?这句话里a third 答案说算出来是36 求确认一道很简单的英语选择题,我不确定~China is ___united country____a lot of nations.A.a;withB.a;of我就是不知道该用of还是with,说一下为什么,这两个词各有什么侧重点 问一道英语选择题 如何知道英语动词前面加to还是如何知道英语动词前面加to还是ing在英语选择题当中很多句子都不知道该用to还是ing，顺便给我一些练习题和答案！ 求一道英语选择题 求做高中英语选择题的一般方法?我拿到一个选择题时不知道该咋分析? 一道英语选择题,闲人勿扰-Have you found _____to give your mother as a present?A.something good enough B.anything good enough （一般疑问句中一般用anything,这题我不知道该用什么,就象Do you want something to eat这样用so 我不知道该问些什么. 人生面临有很多不同的选择,每次选择究竟该如何去考虑?最近面临毕业,又是一道选择题,何去何从不知道怎么去做? 一道英语选择题~求大神 一道英语选择题,求原因, 求问一道数学排列组合选择题（第5题） 我不知道该如何书写未来 问一道英语选择题 为什么选B? 用英语如何翻译 我不知道该如何走下去 现在如何开始准备英语6级?我报名了,不知道该如何准备? 这一页我都不知道有人会吗选择题完性填空句型转换 英语 我想问一道几何题但是不知道如何画图你能告诉我吗?