—I wonder if you are still an employee in that small company?
—Oh, I ______, but now I’m a public servant in a government department.
| A．used to be | B．have to be | C．used to | D．did |
It is recommended that you ________ your accommodation in advance in tourist season, as you may find all the best hotels are not accessible.
| A．book | B．must book | C．will book | D．shall book |
Two years ago, three scientists traveled to the Antarctica to explore a secret world hidden _________ the ice.
| A．among | B．beneath | C．beyond | D．opposite |
Exciting as its special effects are ________, there is too much violence in the film.
| A．to watch | B．to be watched | C．watching | D．being watched |
Experts say ________ to sunlight for too much time will do harm to one’s skin.
| A．exposed | B．having exposed | C．being exposed | D．exposing |
Nature is at its most beautiful in spring ________ all kinds of flowers are in blossom, _______ attracts people from all walks of life to take a spring outing.
| A．when; which | B．which; where | C．when; that | D．that; which |