Сhoose the correct particle

1. Before the exam, the teacher passed [out|up]
   test papers to the students.
2. Joanna was saddened to hear that her old
   professor had passed [up|away].
3. After dinner, my friends asked me to stick [around|at] for a chat.
4. Gary's father asked him to think [over|up] his
   decision to drop out of college.
5. Each group had an hour to think [through|up] a
   good idea for their class presentation.