Sub XoaDuLieu()
Dim sH As Worksheet, lR As Long, i As Long, aColDele
Set sH = ThisWorkbook.Sheets("Beginning")
lR = sH.Cells(sH.Rows.Count, 4).End(xlUp).Row
If lR <= 2 Then Exit Sub ' dong so 2 la header: no data
aColDele = Array("D", "E", "J", "L")
For i =...