Difference Between Speech and Writing Direction: Write a dialogue between Li Ping and Helen on the basis of the following passage. Li Ping is a Chinese student in the US. He is invited to a party for the first time . He does not know what he should talk about at a party . He asked his friend, Helen, for advice. Helen thinks that at a party people sometimes talk about sports and current events. She believes that talking about China will be a good topic and people will like it . She also warns Li Ping not to ask people's income because it is too personal.