Exercise 6: Read and complete ----- Nội dung dịch tự động từ ảnh ----- Exercise 6: Read and complete. feathers tail (3) Birds are vertebrates. They are born from (1). s. They have (2) to help them fly. They catch their They use their (5) food with their (4) eggs) { beak g) They are swimming. to eat their food. Their (6) protect them form the cold and rain. page 21 and a wings claws qual