I)
1.As→than
2.Patient→patients
3.Equipment→equipments
4.Fewer→less
5.Mouse→mice
6.Less→fewer
7.Problem→problems
8.Sau chữ than ở cuối là câu gì vậy bạn,chỗ sai chỉ có thể ở phía sau chữ than đó thôi
II)
1.There are more criminal cases in my country than 3 years ago now.
2.There are fewer wealthy people in the countryside than in big cities.
3.Your cities has more slums than mine.
4.The standards of living in the rural areas show less improvement than in the cities.
5. Modern factories produce less carbon dioxide emissions than old factories.
6.There are more arable land in the countryside than in the city.
7.Were there fewer health centers in my city 10 years ago than now ?
8.People in the underdeveloped countries scend less money on health care and education than in the developed countries.
chúc bạn học tốt!!!!!