根据句意,用括号中所给词的适当形式填空。(每小题1分,共5分)
Mike goes to see his grandparents _________ (one) a week.
Exercise is ______ (health) for the mind and the body.
This flower is _____ (good) than that one.
Which city is ____________ (beautiful),Beijing,Shanghai or Hangzhou?
We ____________ (not have) enough money to buy food last night.