She is a strong-willed woman and not once _______ in to any difficulty in her life.
A. she has given B. did she give C. she gave D. has she given
The parents are making changes to their previous education methods, of ______ negative effect they begin to be aware.
A. who B. whom C. whose D. which
Was it in this room _____ he made the decision _____ he would break away from his family?
A. that ; which B. where ; which C. that ; that D. where ; that
So far no one has claimed the money ______ in the library.
A. to be discovered B. having discovered C. discovered D. discovering
Most of the top leaders expressed a common desire at the UN conference, ______ that different cultures ______ coexist with tolerance.
A. the one ; must B. the one ; should C. one ; must D. one ; should
Mr. Baker, some students want to see you. ______ they wait here or outside?
A. May B. Should C. Shall D. Will