—Was it by cutting down staff are not diligent enough she saved the firm?
—No, it was by improving work efficiency．
| A．that; when | B．that; what | C．who; how | D．who; that |
All the preparations for the task _______, and we’re ready to start.
| A．complete | B．have completed |
| C．had been completed | D．have been completed |
—You shouldn’t have shouted at your mother. It really hurt her.
—Exactly. I ________ crazy at the time.
| A．must be | B．could be | C．must have been | D．could have been |
Everyone is looking forward to seeing the plan ________ in the near future.
| A．carrying out | B．carry out | C．carried out | D．having carried out |
The factory has _____ workers due to the drop in sales, which will lead to an increase in unemployment.
| A．paid off | B．laid off | C．set off | D．put off |
As long as you are confident and determined, you will _______ whatever difficulties you face.
| A．overcome | B．confirm | C．grasp | D．acquire |