it is an o___photo.My father is forty-three years old now

it is an o___photo.My father is forty-three years old now It is an eraser. It is an eraser? It is an interesting story,I'm~in it.(interest)interest怎么变 It is an orange?还是Is it an orange? There is an old fashioned car in the m---- .Mary vistors are interested in it . 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