I want to join an Engilsh club.I want to join the swimming club.这两句话为什么一个用the一个用an?

I want to join an English club____(improve)my English. i want to join the I want to join an Engilsh club.I want to join the swimming club.这两句话为什么一个用the一个用an? I want to join an English c() to learn English well I want to join an English c___to learn English well.谁知道?加五财富 I want to sports the join club I want to join the art club I want to join the music club . i want to join the art club nihao.i want to join your company i want to join the music club I want to join the basketball club. i (would like to join) the basketball club.A.like to join B.want to join C.join I want to join 【music】 club.(就打括号的地方提问)( ) ( ) ( )you want to join? want to join us? I want to join the English club to practice _____English 句型转换I want to join Music Club.I( ) ( ) ( )join the Music Club. I want to join our school Sports Cenrte的翻译