1Davidliveonthe的精選

問題詳情：詞彙；根據句意和提示寫出單詞，完成句子。1.Davidliveonthe____________(九)floorandhecanseeeverythingaroundverywell.2.B2CstandsforBusiness-to-___________(顧客),infactmostB2Ccompaniesareonlinesellers....