My pen and Eric's ruler is both blue.这里面的be动词应该用is还是are?老师说按就远原则,使用is.为何使用就远原则呢?and连接两个不同的人或物,这时谓语动词应该用复数形式啊?

that's my pen. Mum,this is my friend Eric.、“And Eric ,this is my Mum,Mrs Lopez.”哪句放前面? My pen and Eric's ruler is both blue.这里面的be动词应该用is还是are?老师说按就远原则,使用is.为何使用就远原则呢?and连接两个不同的人或物,这时谓语动词应该用复数形式啊? 根据句意及首字母的提示补全单词.没空一词He‘s my b( ) Eric My mother is my grandparents' d( )He is my pen f( ) RobertThis is a P( ) of her family pen,his,Eric's,case,is,pencil,in 连词成句 连词成句 sister,your,at,is,schoolsister,your,at,is,school 问号 pen,his,Eric's,case,is,pencil,in 句号 is,the,my,tabie,backpack,under 句号 改错Peter's pen and Millie's pen are like. 句型转换.The white shorts for boys are ($10)提问Anna's pen is （black and white ）提问Eric wants black shoes .改为否定句These yellow pants are $30 on sale 一般疑问句 These two boys are my brothers Eric and my cousiThese two boys are my brothers Eric and my cousin Tom找一处错误谢谢 this is( )my pen.it's( )pen.( )里填空 My new pen pal and I急. Where _____ my pen and pencil? where is my pen and bag是什么意思 it’s__my pen ,can you spell __name ,__am ten__name is Alice,what’s__?用适当的代词填空it’s__my pen can you spell __name __am ten__name is Alice what’s__?this is my desk Where is___desk ,Amy?these are John and ______frend ,Eric ______is They are Peter's and Eric's这句话有错吗,正确的应该是They are Peter and Eric's是不是? Where is my pen and pencil?还是Where are my pen and pencil? This pen are Amy and Sandy's还是This pen are Amy's and Sandy's All Eric's teachers and classmates like him.(同义句）Eric is ___with all his teachers and classmates because he is friendly and helpful.