问题描述：
The word "hour" has _____"h"_____"u" and _____"r" in it.
A.an,an,a B.a,an,an C.an,a,an D.a,an,a
哪个是真的
A.an,an,a B.a,an,an C.an,a,an D.a,an,a
哪个是真的
问题解答：
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