Сomplete the sentences with the given prepositions

• down
• in
• of
• out
• up
• down
• for

1. Dean let me[ ]when he forgot about
   my birthday.
2. You should exercise regularly to keep yourself
   [ ]top form.
3. Helen can't remember long strings[ ]
   information so she must write things down.
4. Sarah was less stressed when she spaced
   [ ]her study schedule.
5. The problem was difficult but Barney came
   [ ]with the solution.
6. If you break[ ]a Maths problem, it's
   easier to solve.
7. Cramming[ ]exams is not an effective
   way to study.