【单选题】【消耗次数：1】
She ___ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
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相关题目
【单选题】
She ________ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
She_______ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
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①
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随机题目
【单选题】
下列关于信息资源管理的说法中，正确的是（ ）。
①
人工管理可以取代数据库管理
②
人工管理、文件管理、数据库管理都有其适用的场合
③
文件管理只能通过“资源管理器”来实现
④
数据库管理可以取代人工管理