听写面5短对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳答案，并将其题号填入提前括号内。每段对话读两遍。
( )1. Where are they going?
A. A post office B. A. supermarket C. A bookstore
( )2. What is Maria looking for now?
A. her dress B. her book C. glasses
( )3. How much is the milk?
A. $ 2 B. $ 5 C. $ 7
( )4. What does the boy want to do?
A. He wants to play basketball.
B. He wants to take part in the speech contest.
C. He wants to go to Beijing..
