Although most adopted persons want the right to know who their natural parents are, some who have found them wish that they ______ the experience of meeting.
| A．haven’t | B．hadn’t |
| C．hadn’t had | D．haven’t had |
We had to __________ e-mails to over 600 people to inform them of the change of location.
| A．send up | B．send out |
| C．send for | D．send away |
She has been __________ of the danger of driving the car in that state.
| A．accused | B．informed |
| C．reminded | D．warned |
My parents live in a small village. They always keep some candles in the house __________ there is a power off.
| A．if | B．unless |
| C．in case | D．so that |
We've worked out a method __________ our production can be greatly raised.
| A．with that | B．what |
| C．of which | D．with which |
Part of the reason Charles Dickens loved his own novel, David Copper field, was __________ it was rather closely modeled on his own life.
| A．what | B．that | C．why | D．whether |