21．All parents are willing to risk ________ their lives to save ________ of their children when a disaster is approaching.
A. losing; that B. to lose; those C. losing; those D. having lost; the ones
21．________ people are concerned about now is the Shanghai World Expo, which ________ start on May 1st.
A. What; is due to B. Which; is going to
C. That; is to D. What; is about to
21．It ________ me that I could buy the admission ticket of the exhibition at the discount of 50% with my student card, ________ made me extremely excited.
A. happened to; that B. occurred to; it
C. happened to; which D. occurred to; which
21．In 1888, a major French newspaper announced the death of Nobel in an article ________ “The merchant of death is dead”, which indicated that Nobel was only thought of as one _______ from killing.
A. read; profiting B. read; to profit
C. reading; profited D. reading; profiting
21．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
21．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
