一般过去时的被动语态1.Theyinventedanewbike2.Theydidn’tmendtheircars
一般过去时的被动语态
1.Theyinventedanewbike
2.Theydidn’tmendtheircarsyesterday
3.Didshefinishherhomeworkontime
4.Whendidhecreateclonetechnology
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