6、 B. strict C. bus D.city2.A.As B. Because C. When D.Although3.A.read B. sit C. talk D.hide4.A.ways B. methods C. respect D.distance5.A.message
7、 B. warning C. suggestion D.voice6.A.Attention B. Minding C. Help D.Listen7.A.papers B. passengers C. driver D.tears8.A.on B. round C. ahead D.down9.A.st
8、ill B. nearly C. even D.hardly10.A.turn B. talk C. order D.remark11.A.loud