THE PRESERVE OF OLD BUILDINGS SHOULD BE TAKEN INTO CONSIDERATION. A...

3. - File thứ 4: de_kiem_tra_lop_11-_sach_cu-_u8-9-10_311201817
File thứ 4: de_kiem_tra_lop_11-_sach_cu-_u8-9-10_311201817
3. The preserve of old buildings should be taken into consideration. A B C D