_ in the north, but now he ____ here．

Our government has tried many ways to _________ the smog haze(雾霾) problem. Maybe we’ll have a clearer sky in the near future.

There will be a computer ______ a computer ______ the future.

air of shoesdoesn’t look good, but that pair is ____ better, I think

He was a good student and scored(得分) _______ average in most subjects