I'm surprised that you should have been fooled by such a(an)___trick
| A．ordinary | B．easy | C．smart | D．simple |
The manager has________to improve working conditions in the company.
| A．admitted |
| B．allowed |
| C．permitted |
| D．agreed |
All the preparations for the task________， and we're ready to start.
| A．completed |
| B．complete |
| C．had been completed |
| D．have been completed |
—I'm sorry I stepped outside for a smoke. I was very tired.
—There is no________for this while you are on duty.
| A．reason |
| B．excuse |
| C．cause |
| D．explanation |
—Would you like to go to the dinner party on Saturday?
—Thank you. I'd love to，________I'll be out of town at the weekend.
| A．because |
| B．and |
| C．so |
| D．but |
—Haven't you realized the use________the used paper?
—Yes, already.
| A．we make of |
| B．which we make |
| C．for our making |
| D．for us to make |