---Are you a teacher? ---No, but I _______.
| A．used to | B．used to being | C．used to be | D．was used to |
—What do you think of our design for the new car？
—Pretty good. But I find theirs is _____ worth considering and studying.
| A．more | B．very |
| C．better | D．well |
“I don't think it’s my _____ that the window has been broken. I just played football with my friends and John kicked the ball forwards the window.”said the boy.
| A．error | B．mistake |
| C．fault | D．duty |
He tried to deal with the ever-increasing burden of his work，but finally _____ and had to take a complete rest.
| A．broke away | B．broke up |
| C．broke down | D．broke out |
We should be able to do the job for you quickly，_____ you give us all the necessary information.
| A．in case | B．so long as |
| C．if only | D．as far as |
Some doctors are criticized for _____ patients to buy too many medicines.
| A．advising | B．demanding |
| C．suggesting | D．driving |