Samsome knowledge of the computer just by watching others working on it.
| A． | brought up | B． | looked up | C． | picked up | D． | set up |
After graduation she reached a point in her career __________ she had to decide what to do.
| A．that | B．what |
| C．which | D．where |
He was educated at the local high school, __________ he went on to Beijing University.
| A．after which | B．after that |
| C．in which | D．in that |
By serving others, a person focuses on someone other than himself or herself, __________ can be very eye-opening and rewarding.
| A．who | B．which |
| C．what | D．that |
The village has developed a lot __________ we learned farming two years ago.
| A．when | B．which |
| C．that | D．where |
We shouldn’t spent our money testing so many people, most of __________ are healthy.
| A．that | B．which |
| C．what | D．whom |