1. I am supposed to know something about science. 有人建议我了解一些科学方面的东西。

2. The books are not allowed to be taken out of the room. 这些书不准携出室外。

3. You are bound to be received warmly. 你定会受到热情接待。

4. I preferred to be assigned something more difficult to do. 我宁愿被分配(得到)些更困难的工作做。

5. He was often spoken about. 他常被人们谈到。

6. It is considered a shame to cheat in examination. 考试舞弊是可耻的。

7. It was found difficult for us to understand him. 我们发现要了解他是很难的。