The()Ageofthe1920scharacterizedbyfrivolityandcarelessnessisbroughtvividlytolifeinTheGreatGatsby.
Egypt’sverysoilwasbornintheNile’sannualflood;withthefloodcamethelife-givingmudthatmadeEgyptthegranaryoftheancientworld.（）
Ifpaymentisnotreceived,legalactionwillbeouronly________.
Onecanfigureoutthemeaningof“airmail”tobe“mailbyair”byits______.
一般来说，在用词方面，（）
