问题描述：
改变句子
The supermarket opens at 8:00 a.m.and closes at 8:00 p.m.
合并成一句
The supermarket ____ ____ ____8:00 a.m ______8:00 p.m.
The supermarket opens at 8:00 a.m.and closes at 8:00 p.m.
合并成一句
The supermarket ____ ____ ____8:00 a.m ______8:00 p.m.
问题解答：
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