______ is often the case with children, Amy was better by the time the doctor arrived.
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My neighbors used to give a hand in time of trouble, was very kind of them.
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、The virtues of thrift（节俭）and hard work is vital for everyone, is often the case in any society.
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That evening, _____ I will tell you more about later, I ended up working very late.
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that
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______ is often the case with children, Amy was better by the time the doctor arrived.
#78667
A
It
B
That
C
What
D
As