根据所给汉语意思，用合适的单词填空。
(1)My uncle is going (在国外) to study English next month.
(2)Mary's father works hard to (改善) their lives.
(3)Many (生意) people find a chance to make money in the seaside city.
(4)The (亲戚) were so bad that they didn't want to look after the two children.
(5)Later we (意识到) the importance of protecting the environment.
