It is an orange eraser.改为复数

It is( ).An orange is orange. It is an orange?还是Is it an orange? It is an orange.(改为复数句) It is an orange,变复数 it,orange,is,an,english,in（.） is,orange,it,an,English,in（.） It is an orange改为否定句 orange,is,it,an 连词成句 It is an orange eraser.改为复数 is my car.it is “ ”A an orange B the orange C oranges D orange this is an orange.it is orange.为什么第一个加an,而第二个不加an An orange is orange是什么意思 it's an orange.(对orange提问）it's an orange.(对orange提问）回答（） （） is the orange Is it an orange?还是 Is it orange?哪个对?还是都对啊 orange is orange an orange is orange 那种说法对? Everyone knows that () is (). A.orange/orange B.an orange/orange C.an orange/an orange 划线提问 it is orange（orange划线）it is an orange（an orange划线）the trees are green（green划线） what color is ( )orange?It's ( ) orangeA.AN,AN B.AN,THE C.AN / D./,AN