— Would you mind giving me advice on how to improve my record?
— If you make _______ most of your potential, there will be ________ rise in your achievement.
| A．不填；不填 | B．the; a |
| C．不填; a | D．the; 不填 |
----What’s it that cost him the job?
----_______ experience .He was always very nervous.
| A．Lacked | B．Being lacked | C．Lacking | D．To be lacked |
----May I help you, Madam ? ----I’d like to have ______ those eggs .
| A．two dozen of | B．two dozens | C．two dozens of | D．two dozen |
As an excellent translator , he reached a high level of ______ in his English.
| A．competence | B．independence | C．intelligence | D．experience |
Li Gang was required to apologize ___ the people present at the meeting ______ what he had done .
| A．for ; by | B．with ; about | C．to ;for | D．at ; with |
Tom , you ______ leave all your clothes on the floor like this!
| A．wouldn’t | B．mustn’t | C．needn’t | D．might not |