问题补充:
单选题Whenyou________,useahandkerchieftocoveryournoseandmouth.Thisisparticularlynecessaryinpublicplaces.A.speakB.whisperC.sneezeD.breathe
答案:
C
时间:2018-09-20 23:24:23
单选题Whenyou________,useahandkerchieftocoveryournoseandmouth.Thisisparticularlynecessaryinpublicplaces.A.speakB.whisperC.sneezeD.breathe
C