You should spend about 20 minutes on this task. Write at least 150 words. After you finish, use the checklist to evaluate your writing task. Then, compare your task with the sample answer. Your friend helped you prepare for an exam, and you have passed it. Write a letter to your friend. In your letter, Thank your friend. Explain how your friend's help was useful to pass the exam. Arrange to meet up with your friend sometime soon. Begin your letter as follows: Dear _____,