Nowadays there is so much violence happening in school campuses, _______to parents’ great concern about children’s safety at school .
| A．to lead | B．leading |
| C．led | D．having led |
I’ve already forgotten ___________ you put the dictionary.
| A．that it was where | B．where it was that | C．where was it that | D．that was it that |
The majority of the people in favour of the plan. However, I the plan on the grounds that it is too expensive.
| A．were; approved of | B．were; objected to | C．was; prepared for | D．was; longed for |
Every possible means _______to prevent the air pollution, but the sky is still not clear.
| A．are being used | B．have been used | C．has been used | D．had been used |
Your composition is _________to your brother’s.
| A．the same | B．identical | C．different | D．equal |
The suggestion they all objected to________to be effective finally.
| A．proving | B．prove | C．had proved | D．proved |