They have to (clean the classroom) after school 对括号部分提问

they have to(clean the classroom对括号里提问 They have to （clean their room）对括号提问 （ ）do they have to（ ） They have to (clean the classroom) after school 对括号部分提问 They have found ways to make waste water clean.的被动语态则怎么变? 改被动语态 They have found ways to make waste water clean. They have found a way to make waste water clean.如何让改为被动语态 改反意疑问句,请尽快~They have gone to Shanghai,( ),( Bob can clean his room himself,( ),( 翻译:Also ,they have to clean ,wash and help Mom with meals. Doctors have to wear uniforms,because they are clean and good for p____. They have p____ clean rooms for the visitors. they have to （clean the classroom） every day对括号的部分提问he has to get up （at six o’clock）对括号部分提问 英语翻译being adult (even very old) and still they have the moment when they have to pick someone to clean up all the room or prepare the bed,etc for others. We have to clean the house ( ) time to time. to make they wany air the clean连词组句 They take (turn) to clean the classroom every day. who told you to clean the windowsFather_ he said they were dirty A.told B.did C.have told D.had tol had I not donated the money ,they woundn't have had access to clean water.为什么开头的had这样用,是 There used to be a clean river.为什么不是There used to have a clean river