根据句意及首字母提示补全单词。
【小题1】A happy family gives a loving e_______ for children.
【小题2】We work hard to i_______ our ability(能力).
【小题3】Five rings are a s_______ of the Olympic Games.
【小题4】This evening Kangkang will go to the movies in the Haidian T_______.
【小题5】He isn’t here now. P_______ he is at home.