问题描述：
Mrs.Obama is on a weeklong trip to china ,during _________ she will visit some place.
Mrs.Obama is on a weeklong trip to china ,during _________ she will visit some places of interest in China.
请老师详解 谢谢!
Mrs.Obama is on a weeklong trip to china ,during _________ she will visit some places of interest in China.
请老师详解 谢谢!
问题解答：
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