完成时的题用系表结构表持续He finished his work an hour agoThe work has___ ___ for an hour The meeting ended three hours agoThe meeting ___ ___ for three hours He came here two hours ago He______ here for a monthHe______there since a mont
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![完成时的题用系表结构表持续He finished his work an hour agoThe work has___ ___ for an hour The meeting ended three hours agoThe meeting ___ ___ for three hours He came here two hours ago He______ here for a monthHe______there since a mont](/uploads/image/z/14690265-33-5.jpg?t=%E5%AE%8C%E6%88%90%E6%97%B6%E7%9A%84%E9%A2%98%E7%94%A8%E7%B3%BB%E8%A1%A8%E7%BB%93%E6%9E%84%E8%A1%A8%E6%8C%81%E7%BB%ADHe+finished+his+work+an+hour+agoThe+work+has___+___+for+an+hour+The+meeting+ended+three+hours+agoThe+meeting+___+___+for+three+hours+He+came+here+two+hours+ago+He______+here+for+a+monthHe______there+since+a+mont)