It’s _____ you do today that will make a difference in your life tomorrow.

   A. that       B. what       C. how       D. which

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––Oh, it’s you! I          you.

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Due to climate change, Arctic ice is breaking up earlier in the spring, and its area is decreasing. This is creating problems for polar bears that make their homes off northern Alaska and in Hudson Bay.

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B．It’s hardening.

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