问题描述：
-It is a city______ most of us want to visit .A.which B.Where C.that问选择哪个答案?
Xi'an is the city ____________ the 2011 International Horticultural Exposition will held.用哪个关系代词?
Xi'an is the city ____________ the 2011 International Horticultural Exposition will held.用哪个关系代词?
问题解答：
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