With the development of the Internet, e-mail has largely __________ the traditional business letter.
She tried her best to _____ the life there, but failed to make any _____.
Chinese economy suffered a great loss from the May12 earthquake _____ the snow and ice storm in February, 2008. Which of the following is NOT true?
All those _____ about the poor children should be _____.
After graduation, he _____ the challenge, which _____ all his spare time.
We can make some adjustments __________ the reactions of the customers.