- 問題詳情:1.TomandJackhad__________(通信)formanyyears.2.ProfessorSmith,anear__________(專家),organizedanationalsurveyofnosediseaseinchildren.3.Singing,playinggames,andreadingareformsof___________(消遣).4.Thechairmanisconsideringchangestothesex___________(歧視...
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