SECTION IV  Writing(40 minutes)
　　Directions:
　　You should write your responses to both Part A and Part B of this section on ANSWER SHEET 2.

　　Part A                                                             
　　66. You have received the invitation below, but you will not be able to attend the party.Write a letter to Mr. Smith, explaining the reason why you cannot go and how you plan to make up for it.

　　You should write approximately¹ 100 words. Do not sign your own name at the end of the letter. Use “Wang Lin” instead. You do not need to write the address.

　　Part B

　　67. Nowadays drinking pure water has become a fashion with many people. Please write an essay commenting on:
　　1. the reason for its popularity²
　　2. the effects it may have on people' s health
　　Your essay should be about 120 words.

　　THIS IS THE END OF THE TEST.