• 2022-06-07
    中国大学MOOC: Grammar practice: Choose the appropriate answers. As we all know, the earth _________ round.
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      24. Antarctic __________ we know very little is covered with thick ice all the year round.

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      中国大学MOOC: Now we know that the fishes in the sea are all __________.

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      ______ is well known to us all that the earth is round.______ is well known to us all, the earth is round.

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      Ex.8-1 Listen to the following questions or statements and choose the appropriate answers.

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      中国大学MOOC: As we all know, this store has an excellent____for fair dealing.