【不填】+beijing university dates back to 1898,in+ [the] +qing d

He is studying in ( ) Beijing University.A.a B.an C.不填 D.the The bridge dates ---250 years ago.此空能否填back \back to\from the chinese lunar calendar dates back to second collecting"exotic"plants,_____,dates back to the earliest ti London's Chinese community dates back to the 18th century的意思 英语翻译London’s Chinese community （社区） dates back to the 18th c dates back to和dated back to的区别 The history of their family dates back 300 years.为什么用dates It dates back to early times. 高人翻译下 谢谢 How to learn English in the university? Don't forget to put the book back on the self,_______?为什么填 d [ ]of students [ ]to go to beijing university