您要查找的是不是：
- It must be about four thirty. 现在想必是四点半左右。
- It must be about four thirty 现在想必是四点半左右。
- It must be about three past thirty. 一定是三点半左右。
- It must be about time for supper. 一定是到了吃晚饭的时候了。
- It must be about time for the whistles to blow. 一定是到了鸣汽笛的时候了。
- 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。
- It must be about one thirty. 一定快一点半了。
- It must be about three thirty. 一定是三点半左右。
- 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 about ten-thirty. 现在想必是10点30分左右。
- 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 true, I read about it in the newspaper! 这一定是真的,我在报上看到的。
- 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。
- 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。
- Whereas he must be about sixty, his wife looks about thirty. 他看上去足有六十,而他妻子却只在三十上下。
- It must be hard for her, bringing up four children on her own. 她一个人抚养四个孩子一定很艰难。
- 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。
