After several months of hard voyage,the explorers finally arrived at ______ is blieved to be the coast of present-day Idia.A.which B.where C.how D.what 该选哪个?为什么?
问题描述：
After several months of hard voyage,the explorers finally arrived at ______ is blieved to be the coast of present-day Idia.A.which B.where C.how D.what 该选哪个?为什么?
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