+ What colour are they? - They’re black. (Cặp sách màu gì? - Chúng màu đen.)+ What colour are they? - They’re orange. (Quyển sách màu gì? - Chúng màu cam.)+ What colour are they? - They’re green. (Quyển vở màu gì? - Chúng màu xanh lá.)+ What colour are they? - They’re white. (Cục tẩy màu gì? - Chúng màu trắng.)Câu trả lời: + What colour are they? - They’re black. (Cặp sách màu gì? - Chúng màu đen.)+ What colour are they? - They’re orange. (Quyển sách màu gì? - Chúng màu cam.)+ What colour are they? - They’re green. (Quyển vở màu gì? - Chúng màu xanh lá.)+ What colour are they? - They’re white. (Cục tẩy màu gì? - Chúng màu trắng.)