86．　　　 　87．　　　 　88．　　　 　89．　　　 　90．

95．It is said that some of the relief work has been done by　　　　　　 (志愿者)．

94．There are still groups fighting against _________(偏见) and for equal right of people．

93．Tell me your _________(背景)now that you want to apply for the job．

92．It is reported that this type of plane can fly at an _________(高度) of 30,000 feet．

91．His ears are highly________(敏感) to any unusual sound in the machine．

90．The writer has visited more than one hundred book-stores in order to ___________(促销)his new book．

89．My teacher often tells us that we shouldn't be too ________(贪婪)for power and money．

88．You shouldn't show _________(仁慈) to this kind of man．

87．Even an experienced teacher doesn't know how to deal with the _______(令人烦恼) problem．