4. Fill in the correct particles (up, to, after, off):
- She takes after her mum, she's also very serious.
- Take off your coat, it's all wet!
- The new baby sitter was very kind and children soon took to her.
- Preparation to exams takes up almost all my free time.
- He likes sport; he takes after his father.
Answer: after, off, to, up, after