You ______ the examination again since you had already passed it.
a. needn’t have taken b. didn’t need to take c. needn’t take d. mustn’t take
—Where did you get to know her?—It was on the farm __________ we worked.
| A．that | B．there | C．which | D．where |
Some pre-school children go to a day-care center, __________ they learn simple games and songs.
| A．then | B．there | C．while | D．where |
After graduation she reached a point in her career __________ she had to decide what to do.
| A．that | B．what | C．which | D．where |
We shouldn’t s0pent our money testing so many people, most of __________ are healthy.
| A．that | B．which | C．what&nze:1bsp; | D．whom |
Last week, only two people came to look at the house, __________ wanted to buy it.
| A．none of them | B．both of them | C．none of whom | D．neither of whom |