题目内容
用适当的关系代词 that, which, who, whom, whose 填空
April 1st is the day ________ is called April Fool's Day in the west.
答案：which$that
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题目内容
用适当的关系代词 that, which, who, whom, whose 填空
April 1st is the day ________ is called April Fool's Day in the west.