第5题: [单项选择]______, we shall go out for a picnic on Monday. A. Weather permits B. Weather permitted C. Weather permitting D. With weather to permit 参考答案:C 答案解析:[解析] weather permitting=if weather permits如果天气好。weather permitting已成为习惯说法,属书面用语,在本句中属分词独立结构作状语。