1.
a foreign exchange student: a student from a different country that is studying at university or school
- I met a foreign exchange student from France in class today.
- I was a foreign exchange student in China for one semester when I was in university.
2.
to take a class: to attend and participate in a class
- I am taking a yoga class these days.
- Did you take an English class when you were in high school?
3.
Hopefully,...: in a wishful or hopeful manner
- Hopefully, I can finish my work by tonight.
- Hopefully, we win the game.
