MDoyouknowwhothecomp的精选

问题详情：根据对话内容，从方框内选择合适的句子补全对话。（有两项多余）M:Doyouknowwhothecompass(指南针)wasinventedby?      W:Ofcourse.(1)It’soneofthefourgreatinventionsofancientChina.Theyhavechangedthew...