We can ___________ energy in many ways. For example, turn off the lights when we don't use them.

题型：单选题题类：模拟题难易度：普通

广东省2018届九年级英语第一次模拟大联考

A、save B、use C、get D、spend

举一反三

—Yes, I always ________________ half an hour walking after dinner.

—I am going to_______ some money to the Red Cross Society．

—It doesn't matter. A box of chocolates will __________ her up.

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