Accustomed to ______ the steep mountains， he had no difficulty reaching the top.
| A．climbing | B．climb |
| C．having climbed | D．have climbed |
I hope she gives up her job ______ it makes her crazy.
| A．before | B．until | C．as soon as | D．in that case |
I can’t advise you what to do; you must use your own ______.
| A．opinion | B．purpose | C．suggestion | D．judgement |
I don’t like talking on ______ telephone; I prefer writing ______ letters.
| A．a; the | B．the; 不填 |
| C．the; the | D．a; 不填 |
She keeps a supply of candles in the kitchen in case of power ______.
| A．drop | B．lack | C．failure | D．absence |
Mr. Smith used to smoke ______, but he has given it up.
| A．seriously | B．heavily | C．badly | D．hardly |