根据句意和汉语注释,写出单词的正确形式。
小题1:There are many kinds of different ______________(语言) in the world.
小题2:You can read these ___________(杂志) in the reading room.
小题3:Do you think these books are those ___________(青少年) over there?
小题4:Lucy can speak not only English but also ___________(法语).
小题5:My best friend Wang Lin came first in the music _________(竞赛) last week.