求开头是“Dictionaries are very useful"的原文

求开头是“Dictionaries are very useful的原文 开头是You may think that English dictionaries have been need for many centuries的原文 开头是You may think that English dictionaries have been need for many centuries的原文 Are those dictionaries here 改为单数是? using dictionaries is u-------- to learn new words,wo we should have a dictionary everyone------------是u开头的单词的一部分 How dictionaries are made?How are dictionaries made?这两个哪个是对的? 域名.ar 是哪? 求一S开头、中性英文名谢谢了,嘛…各种意义上呐…最好带ar 一个英文名,开头是Ar,含义是“上帝的小狮子”.请问有人知道它的全称和读音么? 哪个英语单词是w开头ar结尾的,五个字母的w_ _ar,五个字母的单词 each of dictionaries 和each one of dictionaries中哪一个each是做 形容词,哪一个做代词 ar 是哪个国家缩写 Ar是原子还是分子 WB实验中control是AR AR是什么 these are dictionaries提问dictionaries Most of the objects in the hierarchy are dictionaries求翻译， 为什么氮气是n2,氩气是ar? 为什么二拼音是er.却读成ar?