Aftercareful comparison, Beijingwas ________ as the city where the 2008 Olympic Games were to be held.
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I________ a piece of fluff off my shiny black suit.
Mr.Johnson was__________ to participate in the project because of his being afully qualified engineer.
鞋和袜子只要经过一段时间的穿用就会形成磨损和硬伤,属于穿用过程中形成的()特征。
A. 步法
B. 步态
C. 特定性
D. 普遍性
织袜所用的原料品种主要有天然纤维和__________。