This is a orange book.填a对不对

This is a orange orange.This is an orange orangeThis is a orange orange.This is an orange orange.请问哪句正确? 用A,an,The填空：This is ( )orange.( )orange is ( )orange.可以空着 make a boo boo This is a ( ).The orange is in it is orange.A.mother B.desk C.cup This is ( )orange car. A.a B.an C.the This is a orange book.填a对不对 This is ( ) orange flower A a B big C an .This orange is ____ orange.A./ B.a C.an D.the What color is 't This a orange 改错 Is this a( )orange的括号里该填什么 This is ( ) orange 1.a 2.an 3.the This is _ orange orange 该用an还是a 急. Everyone knows that () is (). A.orange/orange B.an orange/orange C.an orange/an orange this is an orange.( )oeange is ( ) orange“A；a”“The；/”“An；a”“A；an” 选一组填在括号内 This is( )orange. ( )orange is on the desk. What is this?it is orange. This is an orange orange.的同义句 this boat is orange 对划线部分orange的提问