问题补充:
单选题Forsometimetheexpert__________peopleofthehealthriskscausedbypassivesmoking.Hesayshewon stopuntilallthesmokersaroundhimdecidetoquitsmoking.A.is warnedB.is warningC.has been warningD.has been warned
答案:
C解析 略
时间:2019-02-25 08:36:19
单选题Forsometimetheexpert__________peopleofthehealthriskscausedbypassivesmoking.Hesayshewon stopuntilallthesmokersaroundhimdecidetoquitsmoking.A.is warnedB.is warningC.has been warningD.has been warned
C解析 略