Help It’s great that you enjoy swimming so much, but you need to the time you spend training, if you are feeling tired at school. *
1-cut down on
2-keep up
3-cut out

There are many roles that differ for american exchange students. these include assimilating to the culture of the country that one is in, being able to learn the language and communicate with others, as well as being able to understand what is happening in the courses that are taken.