1 . Studying knowledge does not end with g______ from university. It is lifelong learning that keeps us progress. (根据首字母单词拼写)

2 . Bishop says since robots have great difficulty ________ (understand) humor, she feels like it gives her better job safety as a comedy performer. （所给词的适当形式填空）

3 . Harry and Meghan have great difficulty a________ (避开) British reporters who follow the couple everywhere and misuse their private information. （根据中英文提示填空）