2.()It is more ______ to kill other people with silence and coldness than to stab them with knives.(
3.()The secretary was _____ with office tasks all the afternoon. She even skipped her coffee break.(
4.()The room was filled with cigarette smoke. I could hardly _____ so I opened the window.(A) burst(
5.()The ______ that took place in the local church took many lives.(A)backpack(B)duration(C)pastime(
6.()Ann is such a selfish woman; ______, she only thinks about herself.(A)constantly(B)namely(C)read
7.()Once a person becomes a parent, he or she has to _____ more responsibilities.(A)come to(B)pay of
8.()Informed that he was fired, the hard-working employee considered it unbelievable and stood still
9.()Experts warned that the poisonous chemicals could _____ the nervous system and damage the brain.
10.()The air is everywhere but is ______. No one can actually see it.(A)as luck would have it(B)in t