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 o
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:Do you know that Bill Gates gave away________ of dollars in 2010?
小题3:You’d better go to bed early, or you will feel_____ in class.
小题4:Think it over before you make a ________.
小题5:We’re in the __________ grade now. And we should learn hard.
