According to scientists, our mental abilities begin to __________ from the age of 27 after reaching the highest level at 22.
| A．differ | B．shrink | C．fail | D．decline |
— Can I have a look at the menu, please?
— _______, sir, just a minute.
| A．If you like | B．You are welcome | C．It’s up to you | D．Of course |
Before going for an interview, it is important to ________ as much information as possible about the company.
| A．take out | B．bring away | C．look up | D．turn down |
It was with great joy _______ he worked out the problem that he had long been puzzled about.
| A．which | B．that | C．because | D．since |
The manager is always very _______ for appointments, which earns him a good reputation.
| A．punctual | B．numb | C．allergic | D．content |
_______ this sentence a second time, the meaning will become clear to you.
| A．If reading | B．When you read | C．Reading | D．Read |