Решение:
Заполним пропуски подходящими глаголами, чтобы получились фразовые глаголы.
- I want to watch TV. Please, turn on the radio.
- It's too late. You should to turn off.
- In Shrek, Fiona turn into an ogre at midnight.
- It's dark. Please, turn off the lights.
Ответ: 1. on; 2. off; 3. into; 4. off.