With so many friends me, I had no difficulty finishing the work on time.
| A．to help | B．helped | C．helping | D．have helped |
It is necessary that the government solutions for the problems of air pollution to create a clear environment.
| A．should have found | B．could have found |
| C．could find | D．should find |
I’m willing to help ,I do not have much time available.
| A．Because | B．While | C．When | D．Since |
It is really important to form an atmosphere among young peoplevalues self reliance(自力更生) rather than relying on parents.
| A．who | B．where | C．that | D．what |
The project turned out quite successful and he has proved himself an extremely___manager.
| A．ambitious | B．capable |
| C．energetic | D．popular |
Thank you for sending us fresh vegetables of so many kinds. You have done us great service.
| A．/; a | B．the; a |
| C．/; / | D．the; / |