Food supplies may __________ towards the end of the trip, so we can't waste any food.
| A．run out |
| B．run up |
| C．run into |
| D．run away |
I must return the camera to Cindy. I ______it for two weeks.
| A．keep | B．borrowed | C．have kept | D．have lent |
No matter how hard it is, we’ll keep ______until we make it.
| A．failed | B．failing | C．tried | D．trying |
What a nice bag! But she ______only thirty dollars for it.
| A．cost | B．took | C．spent | D．paid |
----Could you tell me something more about Hong Kong?
-----I am ______going there for a holiday soon.
| A．looking up | B．thinking about | C．trying out | D．finding out |
The children planted more trees and flowers after they______Greener China.
| A．joined | B．took part in | C．became | D．were |