单项选择题

I waited for a long time, but he still didn't ______.
A) turn up C) turn down
B) turn oat D) turn over
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单项选择题
______ is known to all, the moon travels around the earth. A) As C) Which B) That D) What
______ is known to all, the moon travels around the earth.
A) As C) Which
B) That D) What
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