Fill in the Blanks Adjective ClausesOnline version Complete the paragraph and choose the best answer to each statement. by Tatiana Guerra 1 in who that which where in which whom whose with which when Liying is a part of everyday life , says psychologist Bella DePaulo , carried out a study in 147 people were asked to keep a diary of the lies they told over the course of a week . Here is what their diaries revealed : - There wasn't a day the participants didn't tell at least one lie . - Over the week they deceived about 30 percept of the people they interacted . The most common lies people tell are those they pretend to like something to avoid hurting others or those they make up excuses to get out of trouble . According to psychologist Leonard Saxe , we live in a world we are often rewarded for lying and punished for telling the truth . " If we admit we just overslept , we're punished much more than if we lie and say we were stuck in traffic . " Professor Jerald Jellison of the University of Southern California did an experiment . He proved that the people professions requiere the mosth social contacts - for example , shop assistants , salespeople , politicians , and journalist - tell the most lies . The truth is , we all tell lies . Occasionally , one of the participants in Dr . DePaulo's study would insist that he or she could be entirely truthful for three or four weeks . None of them ever succeeded .