21.Bob got seriously injured in the traffic accident, but luckily, the doctor came __________to save his life.
| A．in time | B．on time | C．at times | D．at last |
Keeping what belongs to another person without permission____ to stealing.
| A．accounts | B．applies | C．adapts | D．amounts |
--- You don’t seem to enjoy your meal very much.
----- Not really, I’m just______.
| A．on diets | B．on a diet | C．on the diet | D．in a diet |
A completely new situation is likely to _____ when the school leaving age is raised to 16.
| A．arouse | B．rise | C．arise | D．abide |
I must go now. _____, if you want that book I'll bring it next time.
| A．Incidentally | B．Accidentally | C．Occasionally | D．Subsequently |
Achieving a high degree of proficiency in English as a foreign language is not a mysterious _____ without scientific basis.
| A．process | B．practice | C．procedure | D．program |