ln the cities,there are a great many people,and there are too many cars running on the road.……The gas from the car is full of poison.Every day we breathe(呼吸）it in and o___.This makes us feel sick.Because so many cars,there are many f_____,too.They give off(发出）b______ or grey smoke .This kind of smoke is poisonous,and is harmful(有害的）to our h______.So in order to keep us healthy,we must take a_____ to fight pollution.

out
factory
black
health
action

The gas from the car is full of poison.Every day we breathe(呼吸）it in and out.This makes us feel sick.Because so many cars,there are many factories ,too.They give off(发出）
black or grey smoke .This kind of smoke is poisonous,and is harmful(有害的）to our health .So in order to keep us healthy,we must take action to fight pollution

The gas from the car is full of poison.Every day we breathe(呼吸）it in and out_.This makes us feel sick.Because so many cars,there are many factories_,too.They give off(发出）
black or grey smoke .This kind of smoke is poisonous,and is harmful(有害的）to our h_ealth_.So in order to keep us healthy,we must take action to fight pollution.

out factory blue health action