I didn’t know __________. Can you tell me?
--The air pollution is terrible.--It will be worse_______ we take action to protect the environment.
--Which of the two sweaters will you take?--I’ll take _____. They look nearly the same, and I just need one.
--More and more people come to visit Houyi Park.--That’s true. It has become the ______of Sheyang.
I hope the train will arrive on time, but it’s _______my control.
We can live a better life if we create ______less polluted world.