Only when he arrived home _____ that he had left his key in the office.
| A．will he realize | B．he did realize | C．did he realize | D．should he realize |
We should be able to do the job for you quickly， you give us all the necessary information．
| A．as if | B．or else | C．provided that | D．in case |
—Can the project be finished as planned?
—Sure，it completed in time，we’ll work two more hours a day．
| A．having got | B．getting | C．to get | D．get |
This method， in areas near Shanghai，in a marked rise in total production．
| A．trying；resulting； | B．trying；resulted |
| C．tried；resulting | D．tried；resulted |
—Have their living conditions improved?
—No，than before，I'm afraid．
| A．no better | B．a little better | C．not worse | D．no worse |
As a coach，you should know clearly about the direction your team should develop．
| A．to which | B．in which | C．on which | D．for which |