-—How about your conference?
-—Pretty successful．It allowed both sides of us to better understand ____ each stood on many issues．
| A．which | B．that | C．what | D．where |
______ was most important to her, she told me, was her family.
| A．It | B．This | C．What | D．As |
_____ is known to us all is that the 2008 Olympic Games will take place in Beijing.
| A．It | B．What | C．As | D．Which |
Students are always interested in finding out _______ they can go with a new teacher.
| A．how far | B．how soon | C．how often | D．how long |
Tomorrow is Tom’s birthday. Have you got any idea _____the party is to be held?
| A．what | B．which | C．that | D．where |
_______ we are sure about is the need to prevent children from being spoiled.
| A．What | B．Which | C．Whether | D．That |