______plastic bags we use, _____it will be to the environment.—-I agree ____you .

I was at the cinema at nine o’clock yesterday evening. What about you—I _______ TV at home.

下列各句中，没有语病的一句是

Every few years, the coal workers ___________ their lungs X-rayed to ensure their health

possible means _____ to prevent the airpollution, but the sky is still not clear