（单数句子变成复数） 1.This is a map.2.That's an orange orange.3.—What

（单数句子变成复数） 1.This is a map.2.That's an orange orange.3.—What This is an orange(变成复数形式) 1.This is an orange.（改为复数形式） 2.That is her cup . 1.This is an orange.(对an orange提问） 2.That is a red jacket.(对 1.What's this? It"s（）orange. It's（）orange A.an,an B.an,/ C./ This is a orange.It’s an orange.是否正确. What's color is the map?\ This's red pen.\ It's a orange jac What this?Is's an orange复数 Is this gril sister肯定回答 What's this in English?A.Orange B.An orange C.It's orange D. 用a,an填空.1.This is( )book.2.That is（ ）orange.3.It is ( ) Engl 将下列句子进行单复数互换 These are pens Is this an orange What's tha "Is that an orange or an apple?"" " 1.Yes,it's an orange 2.N