给大家推荐一个非常好的、有品味的三一口语话题：Moving to the United States
What are some expectations you have about living in the US?
What is your worst fear about moving to the US.
Are you concerned that you might be discriminated against?
Why do you think discrimination exists?
Have you ever experienced discrimination on a personal level?
What are some expectations you have for your children moving to the US?
What do you think is the most serious problem for you in your move to the US?