many flights were____because of the bitter weather today yeah,nobody knows ____such
问题描述：
many flights were____because of the bitter weather today yeah,nobody knows ____such
weather will last 1.cancelled,how long 2.disturbed,how long 3.prevented,how soon 4.frozen,how often
答
选A
整句意思：由于糟糕天气,许多航班被取消.没人知道这种鬼天气还要持续多久.