問題詳情
24. (Error Correction )This phenomena(A ) affects all areas of the travel industry:the airlines, most of which had introduced(B ) some sort ofbusiness class travel by(C ) the mid-seventies, now sellabout 50 percent of all scheduled(D ) flight tickets tobusiness travelers.
參考答案
答案：A
難度：適中0.457627
統計：A(54),B(23),C(30),D(5),E(0)
用户評論
【用戶】Dex Shih
【年級】高三上
【評論內容】phenomena是複數，單數用phenomenon