_________ is known to us all is that 2012 Olympic Games will take place in London.
| A．It | B．What | C．As | D．Which |
.As food is to the body, ______ is learning to the mind.
| A．so | B．such | C．it | D．and |
.The question has been raised at the meeting________each member country should equally
share the expense of the committee.
| A．what | B．whether | C．if | D．that |
Color TV was first shown in 1929. It took more than two decades,________,until 1951, for color broadcasts to begin in the USA.
A. anyway B. therefore C. otherwise D. though
Tom still thinks that The Hurt Locker is ________ Avatar.
| A．so great a film as | B．as great film as | C．as great a film as | D．as a great as |
Miss Li ________ as a biology teacher for fifteen years in our school, and now she is Party secretary of our city.
| A．has worked | B．worked | C．had worked | D．works |