.
I don't remember how many years ago ______ people began to grow crops.
| A．it was when | B．it was that | C．was it when | D．was it that |
When you finish reading the book, you will have ______better understanding of______ life.
| A．a; the | B．the; a | C．/; the | D．a; / |
____ the consequences of the chemical leaks, the specialists haven’t given final conclusion before they obtain accurate statistics.
| A．In addition to | B．As a result of | C．In spite of | D．With regard to |
It was not until I came here ____ I realized this place was famous for not only its beauty but also its weather.
| A．who | B．that | C．where | D．before |
--- 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 |