1. What is the total cost for the woman and her daughter?
A. 100 yuan. B. 50 yuan. C. 150 yuan.
2. Who has more difficulty in learning math?
A. Bob. B. Tom. C. Linda.
3. Why can’t the man help the woman?
A. He must be leaving at once. B. He doesn’t know how to help her.
C. He is too busy to help her.
