an university students这样写对么

go to an university a university or an university?why? 1.there are a flowers near the river.（改为一般疑问句）2.there is a clean river in the park.(用a dirty river改为一般疑问句）3.it;s time to have lunch.(改为同义句）t;s time .4.i am an university studen.( ) 5.are your principal an university student 还是a 是an university graduate还是a university graduate University前用不定冠词a还是an? university前面用“a”还是用“an”? 是a还是an university student? an university students这样写对么 为什么是an uncle和a university? this is a(an) university?a 还是an? University university （ ）of Washington has an excellent law college A.the university B University C A UniversityD.that University 英语题;改否定句改否定句My sister like computer ciass.The boy can do the dishes.Her brother is a university studen"t.They have English ciass on Friday.My father can cook the meals On a university campus还是On an university campus如题 英语改复数形式改这几个哈……1、It's a knife.2、He is an English teacher.3、I'm a studen. l,she is ( )university student.括号里应填a 还是an