Listening,A. They both took a language class on the Internet. B. They both saw an ad on the Internet. C. They both look for information on online language learning. D. They both wrote a note about their online studies,A. Some are too difficult for children. B. Some only accept young people. C. Some require that students be of certain age. D. Some have only 18-year-old students,A. Because she wants to study at home. B. Because she wants to finish her studies. C. Because she wants to study in a different way unlike others. D. Because she wants to learn how to study.,