12．-Tom，you are smoking again?
- ________? It’s none of your business．
| A．Why not | B．what for | C．So what | D．How come |
— Do you like Nack?
— Yes, Nack is good, kind, hard-working and intelligent; __________, I can’t speak too highly of him.
| A．as a result | B．in short | C．by the way | D．on the contrary |
It depends on __________ he has enough money.
| A．which | B．that | C．if or not | D．whether |
As there was not much chance to find good jobs in their hometown, a lot of young people tried to __________ their fortune in cities.
| A．find | B．find out | C．seek | D．look at |
We have made up our minds to __________ teaching after we graduate from college.
| A．take in | B．set in | C．set up | D．take up |
The new student was very slow to __________ the unusual rules of the school.
| A．adapt for | B．adapting for | C．adapt to | D．adapting to |