Young as he is, David has gained ______ rich experience in ______ society.
| A．the; the | B．a；/ |
| C．/；/ | D．/; the |
--- I am shocked at the news that many pupils were killed in the terrible traffic accident.
--- So am I. Little ____ the safety of the poor children.
| A．cared the local government about |
| B．the local government cared about |
| C．did the local government care about |
| D．was the local government cared about |
She showed the visitors around the museum, the construction _____ had taken more than three years.
| A．for which | B．with which | C．of which | D．to which |
It suddenly occurred to him _____ he had left his keys in the office.
| A．whether | B．where | C．which | D．that |
New technologies have made ______ possible to turn out new products faster and at a lower cost.
| A．that | B．this | C．one | D．it |
Building a new school is one thing, while keeping it running smoothly is quite_______.
| A．the other | B．another | C．neither | D．others |