A:
B:
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D:
某学习小组开展研究性学习,他们搜集了“贞观之治”、“开元盛世”、“唐蕃和亲”、“鉴真东渡”等有关资料,由此可知他们研究的课题是( )
- Where are you going, Bob?
- To go hiking. Eric ________ for me at the school gate!