根据句意用括号内所给单词的适当形式填空。 Don’t be all day , it’s not good for your health. ( happy ) I have _________ free time among four of us. ( little ) I don’t think Jim’s English magazine is as _______ (interest) as that one. ---Do you know the ________ (high) of the teaching building? ---- About 15 meters. Amy is one of the best (swim) at the school.