what 's this in English 答句要不要加a

what 's this in English 答句要不要加a What's this in English?的同义句 连次成句:in,this,is,English,ruler,a 同义句 What's this in English? What's this in English? What`s this in english? 第一句.What‘s this in English?第二句.( ).A.It's a CD B.It's Mi Jun She's a girl What's this in English What's that in English 这 what's this in english .It's a ruler What's this in English?It's a(n) What's this in english的两种同义句 What's this in English?(改为同义句) What's this in English?(同义句）