Read the passage then answer the questions

Mai is a student at Quang Trung school. She is in grade 7. She goes to school six days a week, from Monday to Saturday. Classes always begin at seven o’clock and finish at a quarter past eleven. Today, Mai has four classes: English, Geography, Computer Science and Physic. Mai is interested in Computer, so her favorite subject is Computer Science. She thinks Geography is difficult and so is English. Mai’s last lesson is Physics. She does some experiments.

1. Which grade is Mai in?

2. What time do classes start and end?

3. Which subject does Mai like best?

4. What does Mai do in physics class?