用方框中所给单词的适当形式填空，每词仅用一次。 小题1:Teachers of
题型：填空题
问题：
用方框中所给单词的适当形式填空，每词仅用一次。
小题1:Teachers often tell their students about the _________ of learning how to learn.
小题2:Kathy is an _______ and friendly girl, her teachers all like her.
小题3:I prefer lemons to apples. I like the sour _________.
小题4:Think it over before you make a ________.
小题5:We were _________ into four groups by Mr. Zeng at the beginning of the game.