作业帮说明具体步骤.1._____she_____(practice) her guitar yesterday?NO,she ____2.She _____(stay)at home and _____（do）some cleaning last sunday night.3.when_____you_____(write) this song?I ____(write)it in 20084.My frieng ______(study) for the math
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说明具体步骤.1._____she_____(practice) her guitar yesterday?NO,she ____2.She _____(stay)at home and _____（do）some cleaning last sunday night.3.when_____you_____(write) this song?I ____(write)it in 20084.My frieng ______(study) for the math
说明具体步骤.
1._____she_____(practice) her guitar yesterday?NO,she ____
2.She _____(stay)at home and _____（do）some cleaning last sunday night.
3.when_____you_____(write) this song?I ____(write)it in 2008
4.My frieng ______(study) for the math test and_____(practice) English last night.
5.Mary _____(read) English yesterday morning.
说明具体步骤.1._____she_____(practice) her guitar yesterday?NO,she ____2.She _____(stay)at home and _____（do）some cleaning last sunday night.3.when_____you_____(write) this song?I ____(write)it in 20084.My frieng ______(study) for the math
1. did, praticed, didn't
2. stayed, did
3. did, wrote, wrote
4. studied, practied
5. read.
这一组练习是考察时态和动词过去式变形.
这5题都是一般过去时态,所以动词用过去时.具体为什么动词的过去时是这样子,你还是多翻翻词典的好.