a singer and dancer和the singer and dancer什么区别?

a singer and dancer和the singer and dancer什么区别? also a dancer and a singer和also dancer and singer有什么区别?还有有also a dancer and singer这一说还有有also a dancer and singer这一说么？ The singer and ____ has arrived alreadyA：dancer B：a dancer C：the dancer D：dancers The singer and ________ has arrived already.最佳答案是什么?A：dancer B：a dancer C：the dancer D：dancers The singer and dancer very young and smart A look B seemClooksDis seemingThe singer and dancer very young and smart.A look B seemClooksDis seeming The singer and dancer ( )from Beijing The singer and the dancer ___come to beijing A,has b,have c,are d,is 应该填什么?注意,dancer前有the I think it a good idea to be a singer and dancer.还有I think it is a good idea to be a singer and dancer.分析句子成分如果去掉is呢 The singer and dancer ___ come to our party.A.have B.has C.is D.areB 请具体一点 The singer and dancer there A.has left B.have left c.has leave D.hvae leave The singer and dancer——come a.is b.are c.has d.have 我知道选的是c可是为什么要选择c The singer and dancer ( )our English evening.A.is to attend B.were to attend C.are to attend D.is to attend The singer and dancer （）come to our school有四个选项A have B has C were D was 应该选?英语单选、 一、用方框中的连词填空 or but after as and because than 1.She is a good dancer _____a poor singer. The singer and dancer ( )ou;r English evening.A.is to attend B.were to attend C.are to attend D.is to attend 单项选择：The singer and dancer ____asked to perform agrin at the party last night. A.are B.were请告诉我为什么asked不用asking代替. the singer and dancer(is,are)come to our shool.应该选哪个啊? the singer and the dancer（）come to Beijing.为什么要选have,而不是are呢?