已知n是正整数

2.I can't understand your (laughing)at that poor child .(laugh)为什么填laughing3.She didn't mind (working) overtime .(work)为什么填working与mind的用法有关吗? CO2与什么在燃烧的条件下反应生成无色无味气体打错了 是在高温的条件下 nothing but trouble是什么意思 探索草地惊奇喜悦注视造句 We were in the ( ) placeat school Sports Day last year.填一个词,s开头的. 请问英语中 主语 谓语 宾语补足语 状语.怎么区分 None but fools have even believed it.除了傻瓜,没有人相信这一点.但是,None but the best one is g一个是have,一个是is,那么到底后面单数还是复数最好呢, only与none but的区别When I arrived at the village I found none but the aged and disabled at home.为什么只能用none but ,不能用only.谁能帮我解释一下only 和 none but 的区别? wave one's through Gillian felt slightly uneasy the porter unlocked and waved her through. 状语可以修饰主语吗?通常我见的状语都是修饰动词的.the boy under the tree speaks English very fluently.句子中的under the tree 不是状语吗？ 翻译：今天是星期天.琼斯先生和家里人都在家（at home）.看,他正在看电视,琼斯夫人在看报纸,他们的女儿Nancy在看书,他们的儿子Tony正在和一只小狗玩（play …with和…玩）.他们很开心. 语文状语能修饰(主语)名词吗 one's是什么看到英语里很多用法里有 但不知道什么意思例如imagine one's doing 您好,琼斯太太,欢迎您来到中国.翻译 琼斯太太通常六点钟起床 英语怎么写Today is Decemberacth _____________划线部分提问_______ ______ ______today?琼斯太太通常六点钟起床 ____jonesusually____up____ _____怎麼填要4个空的！ 徐静蕾现任老公是谁?徐静蕾有老公吗(2) 徐静蕾老公是谁? One is never enough...buns to die for 她的姓氏是琼斯吗 的英文怎么写(5个单词的词组)快 新概念各册的单词量是多少 He went out without saying any words.Without asking for money,the boy went to school.上面两句中without后面为什么要加ing l hate you do you understand 这句话怎么读 mp3 Input course's information是什么意思 vacation is about resting.度假就是休息.about后为何不用rest呀 词语后加ING的意思在很多时候都看到汉字词语后面加了个ING,, information 前要加the吗 information前加a还是an Chinese Studies是什么意思 studies Chinese是什么意思 studies Chinese中文 如何计算DHL燃油费?到美国 首0.5KG RMB153.续0.5KG RMB21.5 如果1kg货物的运费是多少呢? Tom studies Chinese well.Jim studies Chinese well,too.( 合并为一句使其意思不变Tom studies Chinese well.Jim studies Chinese well,too.(合并为一句,使其意思不变)