________ your report, what is most important to protect our environment ?
| A．As a result of | B．Because of | C．With the help of | D．According to |
Only in this way _______ the solution to the problem.
| A．you can find | B．can you find |
| C．could you find | D．you could find |
Don't forget ______ the light when you leave the office.
| A．switch on | B．switch off |
| C．to switch on | D．to switch off |
These players to compete for the championship last week.
| A．chose | B．choose |
| C．were chosen | D．are chosen |
The manager doesn’t often have much free time as his work _________ all his time.
| A．takes away | B．takes over |
| C．takes up | D．takes in |
Would you like something to eat? No, thanks, I _______supper already.
| A．had | B．have |
| C．will have | D．have had |