题目内容：
• You work in the Sales Department of National Oil Import & Export Co.. Brian Keith, an important client, is visiting your company for 2 days. There are some changes to the itinerary you sent him last week.• Read the following itinerary below, on which you have already made some changes.
•Use the original itinerary and your handwritten notes to write a letter to Mr. Keith,informing him of the changes.
• Write 120--140 words on a separate sheet.
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