hehe.muon dc diem cao thi truoc het ban hay tao cho minh 1 tam ly that thoai mai, tu tin...sau do la 1 nen tang kien thuc that vung chac.nhung quan trong la khi o trong phong thi dung vi pham qui che thi vi vi pham qui che thi ban se k co diem nao het chu chang noi toi diem 7. vay la ok roi, hjhj chuc ban thanh cong