_______ in the regulations(规定) that you should not tell other people the password of your e-mailaccount.
| A．What is required |
| B．What requires |
| C．It requires |
| D．It is required |
_______life in a new country can be difficult, it can broaden a person’s view of the world.
| A．While | B．Since |
| C．Because | D．As |
The reason _______ he didn’t come was _______he was injured.
| A．that, because | B．why, that |
| C．why, because | D．that, that |
My parents _______ have arrived at suppertime but their flight was held up due to the heavy fog.
| A．will | B．can |
| C．must | D．should |
The manager believes prices will not rise by more than _______ four percent.
| A．any other | B．the other |
| C．another | D．other |
—Thank you for joining in our conversation tonight.
—_____.
| A．It’s my duty | B．It’s all right |
| C．It’s my pleasure | D．With pleasure |