Where can the children leave their bicycles? Choose the most suitable option to answer the above question. Options：  A. street  B. netherlands  C. behind  D. university  E. schoolyard
E

What happened when economic forces don't match a changing society? Choose the most suitable option to answer the above question. Options：  A. change in leadership  B. anger  C. resentment  D. heartache  E. depression
E

Seeing someone open a gift after buying christmas presents causes what for the gift giver? Choose the most suitable option to answer the above question. Options：  A. stress  B. understand themselves  C. pleasure  D. sense of joy  E. debt
C