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6个初二的动词填空1.They___(go) to the shopping center already.2.____

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6个初二的动词填空
1.They___(go) to the shopping center already.
2._____you______(enjoy)it?
Yes,I did.
3.Mr Green____(not come)back to china yet
4.They ___(not see)the film yet
5.I___(know)the boy since 1993
6.I____(not see)you for a long time
6个初二的动词填空1.They___(go) to the shopping center already.2.____
1.have gone 因为already是明显的现在完成时标志
2.Did...enjoy 回答用了did,是过去式
3.haven't come 因为yet也是现在完成时的标志
4.haven't seen 理由同上
5.have known 因为since后面加过去式,前面的主句用现在完成时
6.haven't seen 因为 for加一段时间前面用现在完成时