________ a tree is ________

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Please don' t ________.

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Susan ________ the book from the floor last night.

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--I'm afraid I may get bad grades in the final exam.

--Don't worry. You'll ________.

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There ________ too ________ ________ in the world.

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There's ________ in ________ newspaper.

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To take a walk ________ a clear day is nice.

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At school on Earth Day, students learn about ________ the Earth.

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It's a good time ________ trees and flowers.

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It's time for the weather report and the radio is over there, please ________.

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