An extended( )of rainy weather would be favorable news to the farmers in the Challeys Valley.
A. breadth
B. period
C. position
D. motion
答案:B 【解析】A选项 breadth宽度;C 选项position位置; D 选项motion移动;B选项period时期。根据句意,很长一段下雨时期。所以这题应该选择B。