... my , is , father , am , student , teacher , Lan , 10 , a , this )Hi . Im Duy .I (1) twelve years old . Im a (2) . This is my (3) . His name (4)Nam . Hes a (5) . This is (6) mother . Her names ... mother , her sister and her . This is her father . Hes forty . Hes an engineer . This is her mother .Shes thirty five . Shes a teacher . Her brother and sister are students . * Questions : 1. ... old is you ?2. I is twelve3. What are this ?4. Shes an student5. They are benchAnswer key ( tiết 19) Bài Nội dung ĐiểmI)2 điểm1 . am 0.2 điểm2. student 0.2 điểm3. father 0.2 điểm4. is...