您要查找的是不是：
- Personas must have motivations 人物角色必须有动机
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- You must have mistaken her for her sister. 你一定是把她误认为是她的姊妹了。
- Sorry. I must have got the wrong area code. 对不起，我一定是拔错地区号码了。
- Every one must have his share of the ups and downs. 每个人都有得意时和失意时。
- I must have been mad to forget myself like that. 我准是疯了，那样地忘其所以。
- It must have been raining. The pavement is all wet. 刚才准是下雨了。人行道都湿了。
- It must have rained last night for the road is wet. 路面是湿的，昨晚肯定下过雨。
- It's certain that every effect must have a cause. 无疑，每个结果必定有其原因。
- They must have edited bits of the interview out. 他们一定是把这次采访的一部分删掉了。
- Tom must have taken your dictionary by mistake. 汤姆一定是弄错了才拿了你的字典。
- The building must have been built up by now. 那幢大楼此时一定已经建成。
- Students must have access to a good library. 学生要有使用好图书馆的便利条件。
- I must have mistaken your meaning/what you meant. 我一定误会了你的意思。
- I must have time to order my thoughts. 我得找时间调整一下思路。
- This cash register must have come out of the ark. 这台现金出纳机肯定是很老式的。
- That dress must have cost (her) a bomb! 那连衣裙一定花了(她)很多钱！
- The wind must have blown it over. 一定是风把它吹掉了。
- Nonsense, you must have misheard. 瞎说，你准是听错了。
- A water power station must have a dam. 水电站必须有拦河坝。
