问题标题：
初二下英语句型转换1.Theteacherwrotrsomenewwordsontheblackboard.(改写成现在完成时)2.Ifinishedmyhomework.(改写成现在完成时)3.Theydidn'thavelunch.(改写为现在完成时)4.Ididn'tdomyhomework.(改写为现在
问题描述：
初二下英语句型转换
1.Theteacherwrotrsomenewwordsontheblackboard.(改写成现在完成时)
2.Ifinishedmyhomework.(改写成现在完成时)
3.Theydidn'thavelunch.(改写为现在完成时)
4.Ididn'tdomyhomework.(改写为现在完成时)
唐振民回答：
1.Theteacherhaswrittensomenewwordsontheblackboard.
2..Ihavefinishedmyhomework.
3.Theyhaven'thadlunch.
4.4.Ihaven'tdonemyhomework.
确保全对
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