You must have your luggage ____ first before you board the airplane.A.weigh B.weighted C.weighing D.weighed我就是不知道B和D的区别,帮我说说吧高手们

You must have returned you your Dept for your studies. 英语单项选择句子l thought you 填空 like sth to eat ,so l have brought your some cakes .为什么不能填must 要填might You must have your hair cut.同义句 you have your goals and ideals ,we must uphold Your weekend tennis must have done you good.怎么翻译 you must keep your you have made your bed ,so you must lie in it 请问you have made your bed,so you must lie in it. If you have a dream,you must try your best to protect her! 27. You look in high spirit. You must have ______ during your holiday. Must I go home now?No,you don't _.But you _finish your homework first.A:must ,mustB:Have to,must C:must,have to D:have to,have to You must look ()your camera. ok you must keep your you must obey your father. 根据句意及首字母提示完成单词you must wait for your turn in l--- what must you do when you get a present for your birthday? you have to write a thank- you L_____ . You will ( )clean your own boots when you jion the anmyA have B have to C must You will ( )clean your own boots when you jion the anmyA have B have to C must