Giúp mình với 
----- Nội dung dịch tự động từ ảnh -----
Houses in the city are more
expensive than houses in the
countryside.
Houses in the countryside
are cheaper than houses in
the city.
A
Houses in the countryside is
B cheaper than houses in the
city.
Houses in the city are
c cheaper than houses in the
countryside.
Houses in the countryside is
D good for living than houses
in the city.