s B. jewel C. jewelry D. jewelries 174. The teacher asked his students to help the old lady to do some housework and they made a good _____ of it. A. job B. work C. task D. justice 175. I preferred to go there by plane, but I hadn't enough money to pay for the _______. A. trip B. voyage C. journey D. tour 176. Three times the accused was brought to court for trail, he was sentenced half a year ’s imprisonment by the _____. A. lawyer B. official C. officer D. judge 177. You should turn to Mrs. Green. She is the key figure in pany. The underlined part probably means _____. A.a person who has the key B.a very important person C.a new product D.a new policeman 178. There are four basic _____ of blood in the human body. What do you belong to, A, B, AB or O? A. kinds B. sorts C. types D. classes
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