________ in the regulations that you should not tell other people the password of your e-mail account.
| A．What is required |
| B．What requires |
| C．It is required |
| D．It requires |
He is pleased with the way ___ you organized the party.
| A．in that | B．which | C．why | D．in which |
I knew __ a _ certain John Brown, but not ___ famous one.
| A．不填；a | B．a；the | C．不填；the | D．the；a |
Cooper wrote to the journal, ___.
| A．defending himself | B．defending him |
| C．defended himself | D．defended him |
In such an important situation, men must wear a shirt and tie. In a ___ way, women must wear a skirt or dress, not trousers.
| A．common | B．ordinary | C．similar | D．same |
After the doctor’s visit, the patient felt more ___.
| A．at ease | B．at hand | C．at first | D．at once |