It is an uninteresting winter holiday!

It is an eraser. It is an eraser? It is an orange?还是Is it an orange? It is( ).An orange is orange. It is an interesting book .(改为感叹句) ()()()book it is! what color is ( )orange?It's ( ) orangeA.AN,AN B.AN,THE C.AN / D./,AN 改错 How an interesting book it is! It is an orange.(改为复数句) It is an orange,变复数 It is an English book.（复数） it,is,an,red,apple改病句 What an interesting story it is! it,orange,is,an,english,in（.） is,orange,it,an,English,in（.） It is an orange改为否定句 It is an English book . 肯定回答 It is an apple改为否定句 It is an eraser in English.