读句子,将下列句子与相应的图片匹配。
⑴—What colour is the book?—It' s blue.{#blank#}1{#/blank#} A.
⑵Look at the book. It's black.{#blank#}2{#/blank#} B.
⑶—What' s this?—It's a brown book.{#blank#}3{#/blank#} C.
⑷May I have a purple book, please?{#blank#}4{#/blank#} D.