The suit’s finished, ___?
| A．doesn’t it | B．isn't it | C．haven't it | D．hasn't it |
.In order to prevent the fire spreading, some of the houses nearby _____before the firemen arrived.
| A．have been pulled down | B．have pulled down |
| C．had been pulled down | D．had pulled down |
I need one more stamp before my collection _____________.
| A．had completed | B．completes | C．has been completed | D．is completed |
Neither of the young men who had tried to get the job in the company ________.
| A．has been accepted | B．have been accepted |
| C．was accepted | D．were accepting |
If the building project ___ by the end of this month is delayed, the construction company ___ fined.
| A．will be completed; is to be | B．to be completed; will be |
| C．being completed; will be | D．completed; was |
The air pollution of the city ____ by 20 percent thanks to the strict measures taken by the government.
| A．has been fallen down | B．has been increased |
| C．has been reduced | D．has been risen |