After studying in a medical college for five years, Janeher job as a doctor in the countryside.
| A．set out | B．took over | C．took up | D．set up |
It is uncertain________side effect the medicine will bring about，although about two thousand patients have taken it.
| A．that | B．what |
| C．how | D．whether |
Please remember________wins your respect is not your background but your knowledge and virtues.
| A．that | B．what |
| C．which | D．where |
________is known to us all is that the 2012 Olympic Games will take place in London.
| A．It | B．What |
| C．As | D．Which |
________he couldn’t understand was________，as a teacher of Chinese，he was asked to teach history.
| A．What；that | B．What；what |
| C．What；which | D．Why；how |
________parents say and do has a lifelong effect on their children.
| A．That | B．Which |
| C．What | D．As |