We've worked out a method __________ our production can be greatly raised.
| A．with that | B．what |
| C．of which | D．with which |
He was in the mountain for a year. He felt as if he was ________ from the outside world.
| A．cut out | B．cut in | C．cut off | D．cut up |
No matter where he is, he makes _________ a rule to go for a walk before breakfast.
| A．him | B．this | C．that | D．it |
There is no point arguing about what ________ the accident. I’d rather you _________ the victims of it.
| A．led to; focus on | B．led to; focused on |
| C．caused; focus on | D．caused to; focused to |
----You’re coughing badly, Martin. Why not give up smoking?
---Give up smoking? Easier said than done, Amy. Once you ________ the habit of smoking, it is very hard for you to _______ .
| A．keep up; break it away | B．take up; drop it out |
| C．pick up; get rid of it | D．build up; do away with it |
I regret _______ that I’m busy ______ my lessons.
| A．to say; to prepare | B．to say; preparing |
| C． saying; to prepare | D．saying; preparing |