什么是公数

all you need is hammer and some nails为什么用is,后面不是有两个东西吗,我认为要用are The poor children shouldn't___and we should help themA.laugh B.laugh at C.be laughed at D.be laughed The poor children shouldn't ___and we should help them .快,A.laugh at B.laugh C.be laughed D.be laughed at我知道答案是D,可是为什么,求详解. ____you need is a hammer and some nails.答案有everyting 和al,怎么选l这里面这两个词有什么区别? people意思? people英文意思 __ you need is a hammer and some nails A.all B.everything There are many_______from all over the world in the World Park.A.interesting places B.places of interest C.places of interests D.Both A and B She had supper (after school)括号提问＿＿＿ ＿＿＿she ＿＿＿supper? The airport is within five hours'flying time of half the world's population.翻译啊 The airport is within five hours's flying time of half the ___ population.A.world's B.world为什么不选择B语法书上说名词作定语表示对所修饰的名词分类或说明,而不表示所属关系 例如coffee cup .shoe store .gold medal 英语翻译Reading a book requires a degree of active attention and devotion.Indeed,reading itself is a progressive skill that depends on years of education and practice.On the contrary,most electronic media such as television,recordings,and radio m Planes are fast,but they still take a long time to go out of the airport.翻译一下. on the following Sunday中following可以换成next吗 英语翻译还有finish what he started ____ （收集）some pens,rulers and books for the poor children ,please. Some children's home in the poor areas are ___10 miles___ schoolA.around ,far B.about,from C.for ,away D.over,to Mrs Brown gives the children a treat of some books.同义句Mrs Brown —— the children books —— —— ——。 cold的翻译 store读音相同的单词 Four times as many boys as girls have learning disabilities.翻译,顺便介绍倍数用法 英语翻译不太能理解其中的as many Its new "Retina Display" boasts four times as many pixels.请问这句话怎么翻译啊 求：英语演讲My dream 音频文件MP3就行第一句：Dreams are the wind for our sails on the ocean.My dream Dreams are the wind for our sails on the ocean.Dreams kindle a flame to illuminate our dark roads.Dreams are the armor for our fragile It's not good for parents to s_____ their children. it's not good for parents to s______ their childernS_____time with family and friends is very important to the people in Columbia flying with you and my dreams是什么意思 找了好几个在线翻译意思都不一样 The play _____ it is good for parents to learn to understand their children.A.tells B.talks C.shows D.says说明原因,还有整句翻译 We will have learned more than 3,000 words_____ the end of this term A.by B.at C.in D.on应该选哪一个?为什么? 翻译短语 go cold 英语翻译 but 后可以有逗号吗Kate is not good at Englishi._____,she wonthe first.A.And B.But C.So D.However这个答案选B 是不是错了,要选D 可是又说什么,however语气没有but强烈