问题描述：
my sister told me she ( )a party ( ).A has bee
my sister told me she ( )a party ( ).A has been to ,three days before B went to ,a week before C would go to ,since a week ago D was going to ,for a week希望好心人可以帮我
my sister told me she ( )a party ( ).A has been to ,three days before B went to ,a week before C would go to ,since a week ago D was going to ,for a week希望好心人可以帮我
问题解答：
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