The students must finish their homework this afternoon 改句子把这个句子改成被动语态的

As a student ,you must (fi )the homework in time. 英语翻译This record must be kept on file in the Health Center.Any students who has been absent witha communicable disease must inform Harrow International school and present a doctor’s letter stating that full recovery has taken place on the fi All the students must wear u____ at our school. teachers must take care of the students改为被动语态 The students must keep their classroom ____.to clean cleaningcleancleans All the students must c __their attention on their work what must the students do in English lessons 翻译 The students must finish their homework（ 独自地 ） 求大神帮忙找出下面英文摘要的语法错误,Inthis study,the college students are taken as the objects of the research,investigating what kind of vocabulary learning strategies is used mostfrequently among the college students,aiming at fi I found this book when Icame to the classroom.It must must have been left by one the students 改错1.The teacher looked angry at the students 2.They must have arrived till now The students must have finished his homework the day before yesterday,______ he? students,the rules,follow,the,must,school,in连词成句 students,the rules,follow,the,must,school,in连词成句 The students must keep the classroom ____everyday.A.cleans B.clean C.cleaning D.to clean International students must submit the Common Application International Supplement.那么,the Common Application International Supplement是什么? the speech must be wonderful.the students ___(clap)their hands again The speech must be wonderful.The students ____ (clap)their hands again.