(2013·东城一模)How strange it is the students are so quiet in the classroom!
| A．where | B．when | C．whether | D．that |
—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 |
I have been advised to arrange for insurance _________ I need medical treatment.
| A．so that | B．unless | C．in case | D．though |