read the text and answer the questions:
this is Nam. He is twenty-three years old and he is an engineer. There are five people in his family. His father; his mother ,his two sisters and him. His father is fifty and he is an engineer, too. His mother is rty-eight year old. She is a doctor. His sisters are twelve and seventeen. They are students.
1 what is his name?
2 how old is he?
3 what does he do?
4 how many people are there in his family?
5 how old is his father?
6 is his father an engineer?
7 how old is his mother?
8 is his mother a nurse?
9 how old are his sisters?
10 what do his sisters do?