题目

用方框中所给单词的适当形式填空。每词限用一次。 energy twenty among serious warn 1． Shakespeare’s works were popular ______ common people in his day. 2． Michael Phelps, a great swimmer, got his ______ gold medal in London Olympics. 3． Food waste is seen as one of ______ social problems in many countries nowadays. 4． Signs have been put on all public bikes ______ people not to carry children on the baskets. 5． A lot of research show that the production of paper products requires more ______ and water.选出不同类的一项（ ）A.eggB.chocolateC.water