、The virtues of thrift（节俭）and hard work is vital for everyone, is often the case in any society.
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推荐题目
It is the second time that he has won the race, _______ has surprised us all.
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which
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where
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what
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that
________is often the case, the weather has turned out well as expected.
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Which
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When
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What
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As
I usually do my homework after dinner until 10 pm, ______ is my bedtime.
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who
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what
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which
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that
________ is known to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.
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As; whom
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What; whose
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It; whose
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What; whom
American Thanksgiving Day, ______ falls on November 28 this year, is becoming increasingly popular in China.
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that
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when
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which
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