2 Read the text quickly, ignoring the gaps. Choose the best summary of the text: a, b or c. a Parents may find it difficult to understand their adolescent children, but it is a parent's duty to communicate properly with them and avoid arguments. b Although teenagers develop new ideas, values and beliefs during adolescence, that is no excuse for bad behaviour. They should listen to their parents. c Teenagers experience big physical and emotional changes during adolescence. It's important to communicate with your parents and try to understand their point of view.