您要查找的是不是：
- It must be difficult to play various personae in the same movie. 在同一个电影中扮演不同的角色肯定不容易。
- If a garment won't wash, it must be dry-cleaned. 用水洗就退色或缩水的衣服得乾洗。
- It must be getting on for midnight. 八成已经半夜了。
- It must be going on (for) midnight. 现在一定快半夜了。
- It must be locked. 它一定是锁上了。
- It must be evident to all of you that he has made a mistake. 你们一定很清楚，他犯了错误。
- It must be nice living at home and never have to worry about food. 住在家里的学生多好，不必为了吃饭而烦恼。
- The stamp in the library book shows it must be returned tomorrow. 图书馆的书上的戳记表明，这本书必须在明天归还。
- I've never lived in one place too long, it must be the Gypsy in me. 我从来没有在一个地方长住过，一定是我性格中有吉普赛人的特性。
- I can't date that house exactly, but it must be very old. 我不能确切地说出那所房子的年代，但一定是很古老的。
- We must be back before midnight; otherwise we'll be locked out. 我们必须在午饭之前返回，否则我们就会被锁在门外。
- The stamp in your library book shows it must be returned tomorrow. 你从图书馆借的书上的戳记表明，这本书必须明天归还。
- We must be back before midnight, otherwise we'll be locked out. 我们必须在午夜之前返回，否则我们就会被锁在门外。
- It must be the only modern house in the district. 这一定是本地区唯一的现代化住宅。
- Take care that the door must be locked when you leave. 注意当你出门时门一定要锁上。
- It must be done in the proper way. 这件事必须以恰当的方式来做。
- It must be this miserable trader-this intruder. 一定是那个晦气的商人--那个外来的家伙。
- The emperor wills it, so it must be done. 皇帝旨意如此，故必须照办。
- It must be handed in after class. 课后必须交。
- But it must be the hottest summer in years. 可是这是多年来最热的夏天了。
