________all the stars, the sun is __________to the earth.

He speaks English ____ than any other student in his class.

– I’ve never seen someone else who draws _____ than Sally at this age. – Yes. She’s known as a talented painter in our community(社区).

I think there will be ______pollution and ______ cars in the future.

—What’s the low-carbon life style like? --Save_______ energy, produce ________ carbon.