The policeman came up to the lonely house with the door __________，__________there for a while and then entered it.
| A．open；to stand | B．opening；stood |
| C．open；stood | D．opened；standing |
English is a language shared by several diverse cultures, each of _____ uses it somewhat differently.
| A．which |
| B．what |
| C．them |
| D．those |
Whatever is left over may be put into the refrigerator, ______ it will keep for two or three weeks.
| A．when |
| B．which |
| C．where |
| D．while |
Care of the soul is a gradual process ______ even the small details of life should be considered.
| A．what |
| B．in what |
| C．which |
| D．in which |
Maria has written two novels, both of ______ have been made into television series.
| A．them |
| B．that |
| C．which |
| D．what |
It is the third time that she has won the race, _______ has surprised us all.
| A．that |
| B．where |
| C．which |
| D．what |