________twice a year，whether it is a car or a bus or a truck，is the rule that every driver must obey in this city.
| A．Examining |
| B．Examined |
| C．Being examined |
| D．Having been examined |
It is the third time that she has won the race, ______ has surprised us all.
| A．that | B．where | C． which | D． what |
In our class there are 46 students, _____ half wear glasses.
| A．in whom | B．in them | C．of whom | D．of them |
Sales director is a position ______ communication ability is just as important as sales
| A．which | B．that | C．when | D．where |
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 |
（2012江西卷）By 16:30, was almost closing time, nearly all the paintings had been sold.
| A．which | B．when | C．what | D．that |