-----Who taught _________Japanese?----I learned it by ______________.
It's very important ______healthy food.
In America, basketball is _____popular than football.
The movie will start ______10 minutes.We must run to the cinema now.
-----What should we do to make the salad?-------First ,wash the vegetables and _______.
---How often do you go to the concert (音乐会)?_____ . I'm not interested in that at all.