题目内容
【题目】The children often take exercise _________ 8:00 __________ 8: 30 before they have classes in the morning. （ ）
A.at ... atB.from ... toC.at ... of
【答案】B
【解析】
略
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题目内容
【题目】The children often take exercise _________ 8:00 __________ 8: 30 before they have classes in the morning. （ ）
A.at ... atB.from ... toC.at ... of
【答案】B
【解析】
略