The Great wall is the only one of the buildings on the earth_____ seen from the moon.
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which is
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which are
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that are
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that is
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It was a meeting _________importance I did not realize at that time.
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that
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which
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its
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whose
The weather that day may not be as good as expected, in ________ case we will have to put off the event.
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what
B
that
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this
D
which
If nature does not provide man with the necessary material, it is the laboratory ____ he will turn to for it．
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where
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that
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which
D
what
Actually you can make learning English a process, ________ you can not only learn much knowledge but also interesting cultures.
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which
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where
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when
D
what
The reporter has ever had a case ______ he got the wrong end of the stick.
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which
B
that
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who
D
where