题目

It's a pity that our outdoor activity has been __________ because of bad weather.A.put off B.put out C.put up D.put away 答案：【答案】A【解析】句意：很遗憾，由于天气不好，我们的户外活动被推迟了。考查动词短语。put off推迟、延期；put out熄灭；put up建造、张贴；put away放好、存好。根据It's a pity，以及because of bad weather.可知因为天气不好，很遗憾，户外活动被推迟了，故答案选A。已知函数，且为奇函数，则         ．