An orange is orange对划线部分提问 _____ ______is an orange?

An orange is orange对划线部分提问 _____ ______is an orange? it's an orange orange对划线部分提问 This is an orange..________________(对划线部分提问) It`s an orange tree.an orange tree 划线 （对划线部分提问） orange is orange an orange is orange 那种说法对? An orange is orange 划线提问 it is orange（orange划线）it is an orange（an orange划线）the t this boat is orange 对划线部分orange的提问 This is an orange.画线：“an orange”对该部分提问 This is an orange对画线部分提问 对that is an orange的提问 An orange is orange是什么意思