小题1:Why not stop what you are doing and relax yourself？
小题2:The charity organization(s)/group(s) (has/have)organized various activities to raise money for the victims of the earthquake.
小题3:The movie which has impressed a large audience reminds people of their university life.
小题4:Whenever you meet with something disappointing/ something that disappoints you, it is important to take a positive attitude.
小题5:Scientific research has suggested/shown that the more junk food you eat, the more likely you are to feel depressed.