Listen and tick

1. John is twelve years old. Jane is ten years old, and Mary is eleven. Who is the oldest?

2. Eric is 154 cm. Linlin is 150 cm. Amy is 148 cm. Who is the tallest?

3. The red shirt is 10 yuan. The blue shirt is 15 yuan. The yellow cap is 11 yuan. Which one is the most expensive?

4. English is difficult for me. Chinese is more difficult than English. Maths is more difficult than Chinese. Which subject is the most difficult?