题干

People are advised to be _____ towards the health concerns of their dear ones while burning firecrackers to celebrate the festival, for they contain harmful chemicals.
A.accessibleB.awareC.cautiousD.sensitive
上一题 下一题 0.64难度 单项选择 更新时间:2013-01-10 09:37:13

答案(点此获取答案解析)