Listen and choose. 听读短文，根据短文给下面的问题选择正确的答案。
（1）How old is Sarah?
A. Fifteen.           B. Twelve.           C. Ten.
（2）How many people are there in Sarah’s family?
A. Four.            B. Five.             C. Six.
（3）How many girls are there in Sarah’s family?
A. Three.           B. Four.             C. Five.
（4）What does Sarah’s mother do?
A. She’s a housewife.  B. She’s a teacher.     C. She’s a nurse.
（5）Is Sarah’s father an engineer?
A. Yes, he is.          B. No, he isn’t.         C. Yes, he does.