With Shanghai World Expo drawing near, volunteers are making use of every minute to ________ their foreign language because language volunteers must pass a written test.
---Are you satisfied with the result? ---Not a little .It couldn’t be ____.
Now that you have a job ,you should devote yourself to ____you do at work.
Is this the reason ____at the meeting for his carelessness in his work?
My headmaster usually ___his speech with a funny joke .
If you don’t know the meaning of the word ,you can ____the dictionary.