Tom was running out of time in the exam, but there still remained several questions_________.
A. to be answered B. to answer C. answered D answering
__________ 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 that |
The chief manager has decided to put __________ he thinks is energetic, clever and capable to the position of the leadership of the company.
| A．whatever |
| B．whoever |
| C．whichever |
| D．whomever |
—It's a lovely day, isn't it?
—Yes. I love __________ when the weather is like this. Why don't we sit outside and have our lunch?
| A．this |
| B．that |
| C．it |
| D．one |
—I'm terribly sorry to have put you through so much trouble.
—__________. I know you didn't mean to.
| A．Forget about it |
| B．No trouble |
| C．All right |
| D．You're welcome |
In face of failure, it is important to __________ a good state of mind.
| A．keep up |
| B．keep on |
| C．keep out |
| D．keep off |