We should often (change clothes) to prevent the disease.《对括号部分提问》
问题描述:
We should often (change clothes) to prevent the disease.《对括号部分提问》
答
6除以4分之三,6×3分之4=8;8-(1-4分之3)=7.5米
答
第一个change
答
what should we often do to prevent the disease