what's this _____ _____ It's an orange basketball .

what's this _____ _____ It's an orange basketball . What colour is ______ orange?－It’s _____ orange.A.an,an B.an －What colour is ______ orange?－It’s _____ orange.A.an,an B.a 英语冠词1.－What colour is ______ orange?－It’s _____ orange.A.an, What's this?-It is _____.A.an ID card B.a orange C.ruler D.a What's this in English? It's an orange. What's this in English?A.Orange B.An orange C.It's orange D. It's(an orange)提问是What is this? 1.What's this? It"s（）orange. It's（）orange A.an,an B.an,/ C./ What's this ( ) English?( ) an orange. -What's this?-It's _____ arm.(填什么） This is a orange.It’s an orange.是否正确.