Did/you/clean/your/room/yesterday/作否定回答怎么写?

DId you help your mother clean your room yesterday?clean要不要加edDId you help your mother clean you you,clean,room,did,home,your,at连词成句 what did you clean your room?这个病句怎么改 Did you clean your classroom yesterday?答句 Did you clean your room.的意思.正确的中文翻译. Did you clean your classroom yesterday?（改为被动句） How did you keep your classroom clean?变为被动语态. DId you help your mother clean your room yesterday?clean要不要加ed Did you read books?Yes,I did .Did you clean your room?No,I did n’t.中文 Did your parents help you clean your room?有无错误.十分钟内急求.Did your parents help you clean your room?No，them didn't. Did you clean your bedroom yesterday?同义句-------- your bedroom——yesterday? Did you helpthem clean their Did you clean your office?No ,I was going to clean it but I（）（have）visitors 动词填空. Did you clean your office?No ,I was going to clean it but I（）（have）visitors 动词填空. your,help,mom,clean,did,the,room,you(?)连词成句 the,did,you,bedroom,clean,your,desk,in连词成句 Did/you/clean/your/room/yesterday/作否定回答怎么写? Did you ( ) your room yesterday?A .clean B.cleaned 这个是选择A还是B?为什么?