My name is Morris. I am 12 years old.I am a tall boy. This girl is my sister. (?) is 10. (?) name is Melody. She is cute. That is (?) dog. (?) name is Lucky. (?) is on the sofa. Lucky is small. (?) is white and cute. Melody，Lucky，and (?) are at home. (?) are happy. ♡p.s(?)是指不知道要填什麼人稱代名詞的，請老師幫我講解一下，並且附上答案，因為圖片無法用成正的，所以文章我已經打在下面了，謝謝老師，辛苦了