一般过去时的被动语态 1.They invented a new bike 2.They didn’t mend their cars
问题描述：
一般过去时的被动语态 1.They invented a new bike 2.They didn’t mend their cars
一般过去时的被动语态
1.They invented a new bike
2.They didn’t mend their cars yesterday
3.Did she finish her homework on time
4.When did he create clone technology
答
A new bike was invented by themTheir cars weren't mended by them yesterday.Was her homework finished by her on time?When was clone technology created by him?