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一道3L的英语题。1我们自从毕业后一直是朋友。We()()friends()weleftschool.2他从十天前就穿这双鞋。he()()theseshoes()thelasttendays.3我们从小就唱这首歌。We()()thissong()we

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一道3L的英语题。1我们自从毕业后一直是朋友。 We ( ) ( ) friends ( ) we left school. 2他从十天前就穿这双鞋。 he ( ) ( ) these shoes ( ) the last ten days. 3我们从小就唱这首歌。 We ( ) ( ) this song ( ) we ( ) children. 4他们在操场上踢球已经三个小时。 They've ( ) ( ) on the playgrond ( ) three hours already 5门铃已经响了五分钟了。 The doorbell ( ) ( ) ( ) five ( ).
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答案和解析
have been since has worn since have sung since were played football for has rung for minutes