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People must stop ________ the earth.

Who is ________ at Chinese, Peter or Ben?

Mary is ________ of the three.

There ________ a lot of information about water in this book.

Workers make bottles and vases by ________ hot glass.

Metals are melted by workers ________ they can be made into different shapes.

________ careful when we start a fire.

The school garden becomes ________ than before.

Eddie runs ________ in the class.

There is ________ rain in spring than in summer.