my friend jack works hard in a factory on weekdays.为什么用weekdays而不用weekday

my friend jack works hard in a factory on weekdays.为什么用weekdays而不用weekday Jack is my n_____ friend jack is a_______ my friend Jack is my friend 改为一般疑问句 Jack is my friend的同义句 初二英语作文：MY FRIEND JACK 英语翻译一开始是My best friend is Jack. This b()is my friend,Jack.的()里填什么 Jack is my friend的同义句同义句是什么? I o___ help my friend jack with his chinese Jack,my best friend,____{write} to me every day. My friend Jack likes ball games football.填个介词 n开头的单词jack is my n______ friend 单词拼写：Jack is my ( )(亲密)friend of all My friends Jack works hard in a factory during the ____A.dayB.timeC.autumnD.weekdays Jack 既是我的邻居又是我的朋友Jack is _____ my _____ _____ my friend My good friend asked me ,Jack ,will you come to my party (改为间接引语） My friend's idea the same as Jack's 改为同义句My friend's idea is ___ ___ Jack's