Fill in: back, down, up, in, into 1. he turned when he remembered that he hadn't locked the door. 2. ben asked the taxi driver to turn the radio. 3. can you turn the volume, please? i can't hear a thing! 4. he turned his report to the director. 5. water turns steam at 100°c
2) turn down
3) turn up
4) turned in
5) turns into