The children planted more trees and flowers after they______Greener China.
| A．joined | B．took part in | C．became | D．were |
My teacher told me to___it before I accepted what you gave me
| A．think about |
| B．think twice |
| C．think up |
| D．think out |
Through hard work and___,we will complete this project
| A．distribution |
| B．regulation |
| C．endurance |
| D．independence |
___many other disabled people,Li Hong was eager to participate in the 2012 London Special Olympics
| A．As |
| B．Compared to |
| C．In spite of |
| D．In common with |
They have a lot___and become good friends
| A．in case |
| B．in common |
| C．in surprise |
| D．in peace |
Had I known about this computer program,a huge amount of time and energy___
| A．would have been saved |
| B．had been saved |
| C．will be saved |
| D．was saved |