The International Maths Summer Camp was held in Wuhan,____ the top students in maths from all over the world.

Chinese ______by more and more people around the world.

When asked about the secret about staying young, he said that a balanced diet with exercise was the recipe for a healthy life.

Multiple choice. （5分）1. He mustn’t________ a car _________.

or opened suddenly and ____, laughing andshouting.