根据中文意思完成句子，一空一词。
【小题1】了解大熊猫很有趣。
It was so interesting to ___ ___ the pandas.
【小题2】听说许多动物处于危险之中，贝蒂感到很悲伤。
Betty was ____ ___  hear about so many animals in danger.
【小题3】动物生存的土地越来越少。
Animals have less and less land to ____ ___.
【小题4】我们队很难在明天的足球赛中获胜。
It's difficult for our team ____ ____ the football match tomorrow.
【小题5】她的声音真的很好听，人也很漂亮。
She has a really nice voice and she ____very ____, too.