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

43. - 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
43. The preserve of old buildings should be taken into consideration. A B C D