a,the的用法,有句子.1：It is a world of wonders,a world where anyting can hapen.2:Foolball is a sport I love,a sport that has given me so much.问题：两句话中的第二个a可以换成the不?为什么?特指不行么?

closing与 closed用法区别下面句子的最后一个词应该什么啊,用法有什么不同呢?It is cold tody.please keep the door ... a,the的用法,有句子.1：It is a world of wonders,a world where anyting can hapen.2:Foolball is a sport I love,a sport that has given me so much.问题：两句话中的第二个a可以换成the不?为什么?特指不行么? closing与 closed用法区别下面的句子的最后一个词该用哪个词啊It is cold tody.please keep the door,它们有用法上区体有什么区别呢? it is/was the first time that有什么用法 it is a shame that用法it is a shame that虚拟语气的用法 a ,an,is ,it,the ,on,of ,for,and ,to 等词的用法 would like 用法下面的句子怎么译?it would be like saying the water pollution is their fault. it与that在句子中的用法区别有个句子是the weather in Beijing is colder than that in Chengdu,句子中间用的是that,然后还有个句子是he found it difficult to study well ,句子中间用的是it而不是that,这是为什么? as much an art as it is a science 句子详细分析特别是其中it用法 关于command的用法关于“command”的用法 例如这个句子 It is a painting that commanded a handsome price. command是什么意思? impossible用法句子The meeting room is full,so it is (possible) to find a seat there答案是填impossibly 不是impossible吗? a bit of 的 用法为什么有时候又a bit of a writer的句子?The man is a bit of a writer什么用法?oh really? 下面那个句子中的with which 的with 是什么用法,表达什么含义?it is unusual for a seller to be able to find a unique selling point or a competitive advantage with which to convince the customer . 一个英语用法小盲点~It is a most popular sight.It is the most popular sight.这两者有什么区别~ it is time 的用法, play a part in 扮演一个角色：参与Do you know who played the part ( of ) 007 in the film?为什么这里要用 of so 和 such 的用法和区别.一直搞不懂.有一个句子是：It is not surprising that such little children should receiv it is quite a beautiful spot quite的用法 it is quite a beautiful spot quite的用法