9.Miss Li ________ as a biology teacher for fifteen years in our school,
and now she is Party secretary of our city.
A. works B. worked C. had worked D. has worked
10.Tom still thinks that The Hurt Locker is ________ Avatar.
A. as a great as B. as great film as C. as great a film as D. so great a film as
11.Color TV was first shown in 1929. It took more than two decades, ________,
until 1951, for color broadcasts to begin in the USA.
A. though B. therefore C. otherwise D. anyway
12.The question has been raised at the meeting_________each member country should equally
share the expense of the committee.
A. that B. whether C. if D. what