---______is your office to your home? ---It’s about 5 kilometers away from here. A. How far B. How long C. How often
-----Who taught _________Japanese? ----I learned it by ______________.
Humans can’t live _______air.
---Oh, you have a headache and a cough. _______have you been like this? ---Three days.
I prefer_____ to ______.
— I’m sorry for losing your book . — ______________