Chia dang dung cua dong tu trong ngoac
if the pollution. What will happen?(continue)
in most big cities.there are many wealthy people but. is still a problem(poor)
sap xep cac tu sau thanh cau co nghia
more/because/people/cheap/solar/should/it/unlimited/use/and/energy/clean/it.
live/many/people/the/country/prefer/in/to.
giup voi mai phai nop roi!!!!