—The meeting ___________ because of the smog in Northern China last week.
— Oh, it’s too bad! We should take action to improve the air quality.
| A．put out | B．was put out |
| C．put off | D．was put off |
Amy goes to school ________.
| A．by a bike | B．on bike |
| C．on her bike | D．ride a bike |
This pair of shoes _________ nice. Can I _________?
| A．is, try it on | B．are, try them on |
| C．is, try them on | D．are, try it on |
We need some vitamins to keep______________.
| A．healthy | B．health | C．healthily | D．happy |
Breakfast gives us energy ________ the __________morning.
| A．to, whole | B．for, whole |
| C．on, all | D．for, all |
Mr. Wang is too busy and __________ exercises. It’s not good for his health.
| A．always | B．seldom | C．often | D．sometimes |