It must be hard being far away from your family in a different country.帮忙解析下句中两个be的作用

My dear so late.It must be hard for It's Not Easy Bein' It Must Be?歌词 it must be 翻译:it must be kept in mind that there is no secret of success but hard work we must study english hard or we can't be good at it,反义疑问句说明道理 it must be very hard to run like that ,i wish nobody ever became blind请问如何翻译? 1. must, be, hard, go to South Pole, to, it(.) 2. never, watch, detective films, they,(.)连词成句 It must be John.Who else would _____ he does?A.work hard as B.be working as hard as C.It must be John.Who else would _____ he does?A.work hard as B.be working as hard as C.do harder work than D.work harder than 为嘛答案是b而不是d It Must Be Love 歌词 It must be some catch. It must be him 歌词 it must be _____(interest) it must be rainy( )( )(随后) it must be imagination 歌词 It must be very happy. Finally,teenagers must not be selfish.We should be kind to others_______.空里填什么吗?Finally,teenagers must not be selfish.We should be kind to others_______.空里填什么（it hard instead especial be） 可以变型 It must be hard being far away from your family in a different country.帮忙解析下句中两个be的作用