The blank space of the paper must be 1.5 inches at the top and 1 inch at the bottom and on the sides.14/20Theblankspaceofthepapermustbe1.5inchesatthetopand 1 inch at the bottom and on the sides.framesbordersshuttersmarginsGiải thíchĐáp án D margin = blank space: lề (sách, vở)