We can see the sun ________ the daytime and the moon ________ the night.

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I like summer best because it's ________ for sports.

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　　－May I go home now?

　　－Of course, but don't forget to ________ your schoolbag away.

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He usually comes to school by bike, but ________ he comes by bus.

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Can you see millions of stars(星) ________ a summer night?

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You can see many trees on ________ side of the street.

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I don't like talking on ________ telephone; I like writing ________ letters.

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How long did the meeting ________?

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Shanghai is a big city. It's ________ of Nanjing.

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－Xi Ling, you are wanted ________. －I'm coming.

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