Must we hand in the examination papers now 改为被动句顺便问下怎么将问句改为被动语态

We must hand in the homework in time.有错吗? We must hand in the exercises ,________ 反义疑问句must的否定形式不是can't吗 the professor that we ___our homework before next month.A:handed inB:will hand inC:hand inD:must hand in请说说为什么选那个答案谢谢 We must hand in our homework _____ time. Must we hand in our homework tomorrow改被动 Must we hand in our exercise books today? on the one hand we must study hard;on the ___ hand,we should exercise more. Must we hand in the examination papers now 改为被动句顺便问下怎么将问句改为被动语态 Must we hand in our exercise books today?中的HAND是什么意思 The pupil's homework＿＿(must hand)in time. we have just received(?)that we must hand in all our baggage in no time 将下列句子改为反义疑问句We have nothing to eat,( You haven't had your lunch,( )? 3.We must hand in the exercise,( )? 英语翻译Final Presentation – PersuasiveClass F1Requirements:*5 minutes long plus questions*solo*must use pp slides (between 8-15 ok)*must hand in plan on the same day as presentation*introduction/body/conclusion as we have studied in class*must We must hand in our homework ________( in time,on time). Must we hand in our exercise books today?这里为什么是用介词in? on the other hand we must think when we read books.是啥意思? We must be quiet in the library. we must keep( ) in the hospital