In the job interviews job applicants often find themselves asked unexpected questions, some very difficult ____.
| A．to be answered | B．to answer | C．being answered | D．answering |
－Could I have the small table by the window?
－Sorry，sir. It ________ in advance.
| A．had been booked |
| B．booked |
| C．books |
| D．has been booked |
With everyone's face ________behind the mask，it's hard to tell who they really are.
| A．hidden |
| B．being hidden |
| C．having hidden |
| D．hiding |
I like the countryside in summer. The golden wheat fields ________as far as the eyes can see.
| A．develop |
| B．spread |
| C．extend |
| D．expand |
I invited some friends to a restaurant to dinner where each room _______with names of foreign places.
| A．is marked |
| B．had marked |
| C．marked |
| D．being marked |
(2012年安徽卷，25)You can change your job，you can move house，but friendship is meant to be ________life.
| A．of |
| B．on |
| C．to |
| D．for |