you are supposed to have handed in your homework by now .by是

you are supposed to have handed in your homework by now .by是 You are supposed to have handed in your composition yesterda 英语,You ___ in your homework by now,but to my disappointment, 英语翻译I want to have been staying in you are by your side 麻烦大家 You are supposed to pay the bill by Frid -Have you handed in your homework __?-No,I haven't finished have you handed in your schoolwork yet you may hand in your homework tomorrow.转成------------ by you you must to hand in your homework by 10 oclock哪里错了 you are supposed to ( )in your composition yesterday your composition should be handed in _ next Monday. 答案是by,但选 You're supposed to hand in by Friday.(同义句 )You‘re _______ __